7513940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 18192384

約数和(自身を除く): 10678444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 281, 382, 562, 764, 955, 1124, 1337, 1405, 1910, 1967, 2674, 2810, 3820, 3934, 5348, 5620, 6685, 7868, 9835, 13370, 19670, 26740, 39340, 53671, 107342, 214684, 268355, 375697, 536710, 751394, 1073420, 1502788, 1878485, 3756970, 7513940]

約数ペア:

[(1, 7513940), (2, 3756970), (4, 1878485), (5, 1502788), (7, 1073420), (10, 751394), (14, 536710), (20, 375697), (28, 268355), (35, 214684), (70, 107342), (140, 53671), (191, 39340), (281, 26740), (382, 19670), (562, 13370), (764, 9835), (955, 7868), (1124, 6685), (1337, 5620), (1405, 5348), (1910, 3934), (1967, 3820), (2674, 2810)]