420501900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 288

約数和(自身を含む): 1525124608

約数和(自身を除く): 1104622708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 73, 75, 78, 84, 91, 100, 105, 130, 140, 146, 150, 156, 175, 182, 195, 210, 211, 219, 260, 273, 292, 300, 325, 350, 364, 365, 390, 420, 422, 438, 455, 511, 525, 546, 633, 650, 700, 730, 780, 844, 876, 910, 949, 975, 1022, 1050, 1055, 1092, 1095, 1266, 1300, 1365, 1460, 1477, 1533, 1820, 1825, 1898, 1950, 2044, 2100, 2110, 2190, 2275, 2532, 2555, 2730, 2743, 2847, 2954, 3066, 3165, 3650, 3796, 3900, 4220, 4380, 4431, 4550, 4745, 5110, 5275, 5460, 5475, 5486, 5694, 5908, 6132, 6330, 6643, 6825, 7300, 7385, 7665, 8229, 8862, 9100, 9490, 10220, 10550, 10950, 10972, 11388, 12660, 12775, 13286, 13650, 13715, 14235, 14770, 15330, 15403, 15825, 16458, 17724, 18980, 19201, 19929, 21100, 21900, 22155, 23725, 25550, 26572, 27300, 27430, 28470, 29540, 30660, 30806, 31650, 32916, 33215, 36925, 38325, 38402, 39858, 41145, 44310, 46209, 47450, 51100, 54860, 56940, 57603, 61612, 63300, 66430, 68575, 71175, 73850, 76650, 76804, 77015, 79716, 82290, 88620, 92418, 94900, 96005, 99645, 107821, 110775, 115206, 132860, 137150, 142350, 147700, 153300, 154030, 164580, 166075, 184836, 192010, 199290, 200239, 205725, 215642, 221550, 230412, 231045, 274300, 284700, 288015, 308060, 323463, 332150, 384020, 385075, 398580, 400478, 411450, 431284, 443100, 462090, 480025, 498225, 539105, 576030, 600717, 646926, 664300, 770150, 800956, 822900, 924180, 960050, 996450, 1001195, 1078210, 1152060, 1155225, 1201434, 1293852, 1401673, 1440075, 1540300, 1617315, 1920100, 1992900, 2002390, 2156420, 2310450, 2402868, 2695525, 2803346, 2880150, 3003585, 3234630, 4004780, 4205019, 4620900, 5005975, 5391050, 5606692, 5760300, 6007170, 6469260, 7008365, 8086575, 8410038, 10011950, 10782100, 12014340, 14016730, 15017925, 16173150, 16820076, 20023900, 21025095, 28033460, 30035850, 32346300, 35041825, 42050190, 60071700, 70083650, 84100380, 105125475, 140167300, 210250950, 420501900]

約数ペア:

[(1, 420501900), (2, 210250950), (3, 140167300), (4, 105125475), (5, 84100380), (6, 70083650), (7, 60071700), (10, 42050190), (12, 35041825), (13, 32346300), (14, 30035850), (15, 28033460), (20, 21025095), (21, 20023900), (25, 16820076), (26, 16173150), (28, 15017925), (30, 14016730), (35, 12014340), (39, 10782100), (42, 10011950), (50, 8410038), (52, 8086575), (60, 7008365), (65, 6469260), (70, 6007170), (73, 5760300), (75, 5606692), (78, 5391050), (84, 5005975), (91, 4620900), (100, 4205019), (105, 4004780), (130, 3234630), (140, 3003585), (146, 2880150), (150, 2803346), (156, 2695525), (175, 2402868), (182, 2310450), (195, 2156420), (210, 2002390), (211, 1992900), (219, 1920100), (260, 1617315), (273, 1540300), (292, 1440075), (300, 1401673), (325, 1293852), (350, 1201434), (364, 1155225), (365, 1152060), (390, 1078210), (420, 1001195), (422, 996450), (438, 960050), (455, 924180), (511, 822900), (525, 800956), (546, 770150), (633, 664300), (650, 646926), (700, 600717), (730, 576030), (780, 539105), (844, 498225), (876, 480025), (910, 462090), (949, 443100), (975, 431284), (1022, 411450), (1050, 400478), (1055, 398580), (1092, 385075), (1095, 384020), (1266, 332150), (1300, 323463), (1365, 308060), (1460, 288015), (1477, 284700), (1533, 274300), (1820, 231045), (1825, 230412), (1898, 221550), (1950, 215642), (2044, 205725), (2100, 200239), (2110, 199290), (2190, 192010), (2275, 184836), (2532, 166075), (2555, 164580), (2730, 154030), (2743, 153300), (2847, 147700), (2954, 142350), (3066, 137150), (3165, 132860), (3650, 115206), (3796, 110775), (3900, 107821), (4220, 99645), (4380, 96005), (4431, 94900), (4550, 92418), (4745, 88620), (5110, 82290), (5275, 79716), (5460, 77015), (5475, 76804), (5486, 76650), (5694, 73850), (5908, 71175), (6132, 68575), (6330, 66430), (6643, 63300), (6825, 61612), (7300, 57603), (7385, 56940), (7665, 54860), (8229, 51100), (8862, 47450), (9100, 46209), (9490, 44310), (10220, 41145), (10550, 39858), (10950, 38402), (10972, 38325), (11388, 36925), (12660, 33215), (12775, 32916), (13286, 31650), (13650, 30806), (13715, 30660), (14235, 29540), (14770, 28470), (15330, 27430), (15403, 27300), (15825, 26572), (16458, 25550), (17724, 23725), (18980, 22155), (19201, 21900), (19929, 21100)]