172789990000

素因数分解:

$2^4\times 5^4\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{541}}^1$

素因数の和:670

約数の個数: 300

約数和(自身を含む): 452196594520

約数和(自身を除く): 279406604520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 41, 50, 76, 80, 82, 95, 100, 125, 152, 164, 190, 200, 205, 250, 304, 328, 380, 400, 410, 475, 500, 541, 625, 656, 760, 779, 820, 950, 1000, 1025, 1082, 1250, 1520, 1558, 1640, 1681, 1900, 2000, 2050, 2164, 2375, 2500, 2705, 3116, 3280, 3362, 3800, 3895, 4100, 4328, 4750, 5000, 5125, 5410, 6232, 6724, 7600, 7790, 8200, 8405, 8656, 9500, 10000, 10250, 10279, 10820, 11875, 12464, 13448, 13525, 15580, 16400, 16810, 19000, 19475, 20500, 20558, 21640, 22181, 23750, 25625, 26896, 27050, 31160, 31939, 33620, 38000, 38950, 41000, 41116, 42025, 43280, 44362, 47500, 51250, 51395, 54100, 62320, 63878, 67240, 67625, 77900, 82000, 82232, 84050, 88724, 95000, 97375, 102500, 102790, 108200, 110905, 127756, 134480, 135250, 155800, 159695, 164464, 168100, 177448, 190000, 194750, 205000, 205580, 210125, 216400, 221810, 255512, 256975, 270500, 311600, 319390, 336200, 338125, 354896, 389500, 410000, 411160, 420250, 421439, 443620, 486875, 511024, 513950, 541000, 554525, 638780, 672400, 676250, 779000, 798475, 822320, 840500, 842878, 887240, 909421, 973750, 1027900, 1050625, 1082000, 1109050, 1277560, 1284875, 1352500, 1558000, 1596950, 1681000, 1685756, 1774480, 1818842, 1947500, 2055800, 2101250, 2107195, 2218100, 2555120, 2569750, 2705000, 2772625, 3193900, 3362000, 3371512, 3637684, 3895000, 3992375, 4111600, 4202500, 4214390, 4436200, 4547105, 5139500, 5410000, 5545250, 6387800, 6424375, 6743024, 7275368, 7790000, 7984750, 8405000, 8428780, 8872400, 9094210, 10279000, 10535975, 11090500, 12775600, 12848750, 13863125, 14550736, 15969500, 16810000, 16857560, 17278999, 18188420, 19961875, 20558000, 21071950, 22181000, 22735525, 25697500, 27726250, 31939000, 33715120, 34557998, 36376840, 39923750, 42143900, 44362000, 45471050, 51395000, 52679875, 55452500, 63878000, 69115996, 72753680, 79847500, 84287800, 86394995, 90942100, 102790000, 105359750, 110905000, 113677625, 138231992, 159695000, 168575600, 172789990, 181884200, 210719500, 221810000, 227355250, 263399375, 276463984, 319390000, 345579980, 363768400, 421439000, 431974975, 454710500, 526798750, 568388125, 691159960, 842878000, 863949950, 909421000, 1053597500, 1136776250, 1382319920, 1727899900, 1818842000, 2107195000, 2159874875, 2273552500, 3455799800, 4214390000, 4319749750, 4547105000, 6911599600, 8639499500, 9094210000, 10799374375, 17278999000, 21598748750, 34557998000, 43197497500, 86394995000, 172789990000]

約数ペア:

[(1, 172789990000), (2, 86394995000), (4, 43197497500), (5, 34557998000), (8, 21598748750), (10, 17278999000), (16, 10799374375), (19, 9094210000), (20, 8639499500), (25, 6911599600), (38, 4547105000), (40, 4319749750), (41, 4214390000), (50, 3455799800), (76, 2273552500), (80, 2159874875), (82, 2107195000), (95, 1818842000), (100, 1727899900), (125, 1382319920), (152, 1136776250), (164, 1053597500), (190, 909421000), (200, 863949950), (205, 842878000), (250, 691159960), (304, 568388125), (328, 526798750), (380, 454710500), (400, 431974975), (410, 421439000), (475, 363768400), (500, 345579980), (541, 319390000), (625, 276463984), (656, 263399375), (760, 227355250), (779, 221810000), (820, 210719500), (950, 181884200), (1000, 172789990), (1025, 168575600), (1082, 159695000), (1250, 138231992), (1520, 113677625), (1558, 110905000), (1640, 105359750), (1681, 102790000), (1900, 90942100), (2000, 86394995), (2050, 84287800), (2164, 79847500), (2375, 72753680), (2500, 69115996), (2705, 63878000), (3116, 55452500), (3280, 52679875), (3362, 51395000), (3800, 45471050), (3895, 44362000), (4100, 42143900), (4328, 39923750), (4750, 36376840), (5000, 34557998), (5125, 33715120), (5410, 31939000), (6232, 27726250), (6724, 25697500), (7600, 22735525), (7790, 22181000), (8200, 21071950), (8405, 20558000), (8656, 19961875), (9500, 18188420), (10000, 17278999), (10250, 16857560), (10279, 16810000), (10820, 15969500), (11875, 14550736), (12464, 13863125), (13448, 12848750), (13525, 12775600), (15580, 11090500), (16400, 10535975), (16810, 10279000), (19000, 9094210), (19475, 8872400), (20500, 8428780), (20558, 8405000), (21640, 7984750), (22181, 7790000), (23750, 7275368), (25625, 6743024), (26896, 6424375), (27050, 6387800), (31160, 5545250), (31939, 5410000), (33620, 5139500), (38000, 4547105), (38950, 4436200), (41000, 4214390), (41116, 4202500), (42025, 4111600), (43280, 3992375), (44362, 3895000), (47500, 3637684), (51250, 3371512), (51395, 3362000), (54100, 3193900), (62320, 2772625), (63878, 2705000), (67240, 2569750), (67625, 2555120), (77900, 2218100), (82000, 2107195), (82232, 2101250), (84050, 2055800), (88724, 1947500), (95000, 1818842), (97375, 1774480), (102500, 1685756), (102790, 1681000), (108200, 1596950), (110905, 1558000), (127756, 1352500), (134480, 1284875), (135250, 1277560), (155800, 1109050), (159695, 1082000), (164464, 1050625), (168100, 1027900), (177448, 973750), (190000, 909421), (194750, 887240), (205000, 842878), (205580, 840500), (210125, 822320), (216400, 798475), (221810, 779000), (255512, 676250), (256975, 672400), (270500, 638780), (311600, 554525), (319390, 541000), (336200, 513950), (338125, 511024), (354896, 486875), (389500, 443620), (410000, 421439), (411160, 420250)]