280079800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1446

約数の個数: 192

約数和(自身を含む): 874944000

約数和(自身を除く): 594864200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 40, 44, 50, 52, 55, 56, 65, 70, 77, 88, 91, 100, 104, 110, 130, 140, 143, 154, 175, 182, 200, 220, 260, 275, 280, 286, 308, 325, 350, 364, 385, 440, 455, 520, 550, 572, 616, 650, 700, 715, 728, 770, 910, 1001, 1100, 1144, 1300, 1399, 1400, 1430, 1540, 1820, 1925, 2002, 2200, 2275, 2600, 2798, 2860, 3080, 3575, 3640, 3850, 4004, 4550, 5005, 5596, 5720, 6995, 7150, 7700, 8008, 9100, 9793, 10010, 11192, 13990, 14300, 15389, 15400, 18187, 18200, 19586, 20020, 25025, 27980, 28600, 30778, 34975, 36374, 39172, 40040, 48965, 50050, 55960, 61556, 69950, 72748, 76945, 78344, 90935, 97930, 100100, 107723, 123112, 127309, 139900, 145496, 153890, 181870, 195860, 200057, 200200, 215446, 244825, 254618, 279800, 307780, 363740, 384725, 391720, 400114, 430892, 454675, 489650, 509236, 538615, 615560, 636545, 727480, 769450, 800228, 861784, 909350, 979300, 1000285, 1018472, 1077230, 1273090, 1400399, 1538900, 1600456, 1818700, 1958600, 2000570, 2154460, 2546180, 2693075, 2800798, 3077800, 3182725, 3637400, 4001140, 4308920, 5001425, 5092360, 5386150, 5601596, 6365450, 7001995, 8002280, 10002850, 10772300, 11203192, 12730900, 14003990, 20005700, 21544600, 25461800, 28007980, 35009975, 40011400, 56015960, 70019950, 140039900, 280079800]

約数ペア:

[(1, 280079800), (2, 140039900), (4, 70019950), (5, 56015960), (7, 40011400), (8, 35009975), (10, 28007980), (11, 25461800), (13, 21544600), (14, 20005700), (20, 14003990), (22, 12730900), (25, 11203192), (26, 10772300), (28, 10002850), (35, 8002280), (40, 7001995), (44, 6365450), (50, 5601596), (52, 5386150), (55, 5092360), (56, 5001425), (65, 4308920), (70, 4001140), (77, 3637400), (88, 3182725), (91, 3077800), (100, 2800798), (104, 2693075), (110, 2546180), (130, 2154460), (140, 2000570), (143, 1958600), (154, 1818700), (175, 1600456), (182, 1538900), (200, 1400399), (220, 1273090), (260, 1077230), (275, 1018472), (280, 1000285), (286, 979300), (308, 909350), (325, 861784), (350, 800228), (364, 769450), (385, 727480), (440, 636545), (455, 615560), (520, 538615), (550, 509236), (572, 489650), (616, 454675), (650, 430892), (700, 400114), (715, 391720), (728, 384725), (770, 363740), (910, 307780), (1001, 279800), (1100, 254618), (1144, 244825), (1300, 215446), (1399, 200200), (1400, 200057), (1430, 195860), (1540, 181870), (1820, 153890), (1925, 145496), (2002, 139900), (2200, 127309), (2275, 123112), (2600, 107723), (2798, 100100), (2860, 97930), (3080, 90935), (3575, 78344), (3640, 76945), (3850, 72748), (4004, 69950), (4550, 61556), (5005, 55960), (5596, 50050), (5720, 48965), (6995, 40040), (7150, 39172), (7700, 36374), (8008, 34975), (9100, 30778), (9793, 28600), (10010, 27980), (11192, 25025), (13990, 20020), (14300, 19586), (15389, 18200), (15400, 18187)]