100803080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{691}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 260081280

約数和(自身を除く): 159278200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 521, 691, 1042, 1382, 2084, 2605, 2764, 3455, 3647, 4168, 4837, 5210, 5528, 6910, 7294, 9674, 10420, 13820, 14588, 18235, 19348, 20840, 24185, 27640, 29176, 36470, 38696, 48370, 72940, 96740, 145880, 193480, 360011, 720022, 1440044, 1800055, 2520077, 2880088, 3600110, 5040154, 7200220, 10080308, 12600385, 14400440, 20160616, 25200770, 50401540, 100803080]

約数ペア:

[(1, 100803080), (2, 50401540), (4, 25200770), (5, 20160616), (7, 14400440), (8, 12600385), (10, 10080308), (14, 7200220), (20, 5040154), (28, 3600110), (35, 2880088), (40, 2520077), (56, 1800055), (70, 1440044), (140, 720022), (280, 360011), (521, 193480), (691, 145880), (1042, 96740), (1382, 72940), (2084, 48370), (2605, 38696), (2764, 36470), (3455, 29176), (3647, 27640), (4168, 24185), (4837, 20840), (5210, 19348), (5528, 18235), (6910, 14588), (7294, 13820), (9674, 10420)]