417702940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{294157}}^1$

素因数の和:294237

約数の個数: 24

約数和(自身を含む): 889533792

約数和(自身を除く): 471830852

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 294157, 588314, 1176628, 1470785, 2941570, 5883140, 20885147, 41770294, 83540588, 104425735, 208851470, 417702940]

約数ペア:

[(1, 417702940), (2, 208851470), (4, 104425735), (5, 83540588), (10, 41770294), (20, 20885147), (71, 5883140), (142, 2941570), (284, 1470785), (355, 1176628), (710, 588314), (1420, 294157)]