509250340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{8747}}^1$

素因数の和:8868

約数の個数: 48

約数和(自身を含む): 1111065984

約数和(自身を除く): 601815644

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1420, 2911, 5822, 8747, 11644, 14555, 17494, 29110, 34988, 43735, 58220, 87470, 174940, 358627, 621037, 717254, 1242074, 1434508, 1793135, 2484148, 3105185, 3586270, 6210370, 7172540, 12420740, 25462517, 50925034, 101850068, 127312585, 254625170, 509250340]

約数ペア:

[(1, 509250340), (2, 254625170), (4, 127312585), (5, 101850068), (10, 50925034), (20, 25462517), (41, 12420740), (71, 7172540), (82, 6210370), (142, 3586270), (164, 3105185), (205, 2484148), (284, 1793135), (355, 1434508), (410, 1242074), (710, 717254), (820, 621037), (1420, 358627), (2911, 174940), (5822, 87470), (8747, 58220), (11644, 43735), (14555, 34988), (17494, 29110)]