1721217400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{23197}}^1$

素因数の和:23273

約数の個数: 96

約数和(自身を含む): 4660014240

約数和(自身を除く): 2938796840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 53, 56, 70, 100, 106, 140, 175, 200, 212, 265, 280, 350, 371, 424, 530, 700, 742, 1060, 1325, 1400, 1484, 1855, 2120, 2650, 2968, 3710, 5300, 7420, 9275, 10600, 14840, 18550, 23197, 37100, 46394, 74200, 92788, 115985, 162379, 185576, 231970, 324758, 463940, 579925, 649516, 811895, 927880, 1159850, 1229441, 1299032, 1623790, 2319700, 2458882, 3247580, 4059475, 4639400, 4917764, 6147205, 6495160, 8118950, 8606087, 9835528, 12294410, 16237900, 17212174, 24588820, 30736025, 32475800, 34424348, 43030435, 49177640, 61472050, 68848696, 86060870, 122944100, 172121740, 215152175, 245888200, 344243480, 430304350, 860608700, 1721217400]

約数ペア:

[(1, 1721217400), (2, 860608700), (4, 430304350), (5, 344243480), (7, 245888200), (8, 215152175), (10, 172121740), (14, 122944100), (20, 86060870), (25, 68848696), (28, 61472050), (35, 49177640), (40, 43030435), (50, 34424348), (53, 32475800), (56, 30736025), (70, 24588820), (100, 17212174), (106, 16237900), (140, 12294410), (175, 9835528), (200, 8606087), (212, 8118950), (265, 6495160), (280, 6147205), (350, 4917764), (371, 4639400), (424, 4059475), (530, 3247580), (700, 2458882), (742, 2319700), (1060, 1623790), (1325, 1299032), (1400, 1229441), (1484, 1159850), (1855, 927880), (2120, 811895), (2650, 649516), (2968, 579925), (3710, 463940), (5300, 324758), (7420, 231970), (9275, 185576), (10600, 162379), (14840, 115985), (18550, 92788), (23197, 74200), (37100, 46394)]