28022800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:365

約数の個数: 120

約数和(自身を含む): 77010696

約数和(自身を除く): 48987896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 170, 200, 208, 221, 260, 272, 317, 325, 340, 400, 425, 442, 520, 634, 650, 680, 850, 884, 1040, 1105, 1268, 1300, 1360, 1585, 1700, 1768, 2210, 2536, 2600, 3170, 3400, 3536, 4121, 4420, 5072, 5200, 5389, 5525, 6340, 6800, 7925, 8242, 8840, 10778, 11050, 12680, 15850, 16484, 17680, 20605, 21556, 22100, 25360, 26945, 31700, 32968, 41210, 43112, 44200, 53890, 63400, 65936, 70057, 82420, 86224, 88400, 103025, 107780, 126800, 134725, 140114, 164840, 206050, 215560, 269450, 280228, 329680, 350285, 412100, 431120, 538900, 560456, 700570, 824200, 1077800, 1120912, 1401140, 1648400, 1751425, 2155600, 2802280, 3502850, 5604560, 7005700, 14011400, 28022800]

約数ペア:

[(1, 28022800), (2, 14011400), (4, 7005700), (5, 5604560), (8, 3502850), (10, 2802280), (13, 2155600), (16, 1751425), (17, 1648400), (20, 1401140), (25, 1120912), (26, 1077800), (34, 824200), (40, 700570), (50, 560456), (52, 538900), (65, 431120), (68, 412100), (80, 350285), (85, 329680), (100, 280228), (104, 269450), (130, 215560), (136, 206050), (170, 164840), (200, 140114), (208, 134725), (221, 126800), (260, 107780), (272, 103025), (317, 88400), (325, 86224), (340, 82420), (400, 70057), (425, 65936), (442, 63400), (520, 53890), (634, 44200), (650, 43112), (680, 41210), (850, 32968), (884, 31700), (1040, 26945), (1105, 25360), (1268, 22100), (1300, 21556), (1360, 20605), (1585, 17680), (1700, 16484), (1768, 15850), (2210, 12680), (2536, 11050), (2600, 10778), (3170, 8840), (3400, 8242), (3536, 7925), (4121, 6800), (4420, 6340), (5072, 5525), (5200, 5389)]