353070640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{339491}}^1$

素因数の和:339517

約数の個数: 40

約数和(自身を含む): 884037168

約数和(自身を除く): 530966528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 339491, 678982, 1357964, 1697455, 2715928, 3394910, 4413383, 5431856, 6789820, 8826766, 13579640, 17653532, 22066915, 27159280, 35307064, 44133830, 70614128, 88267660, 176535320, 353070640]

約数ペア:

[(1, 353070640), (2, 176535320), (4, 88267660), (5, 70614128), (8, 44133830), (10, 35307064), (13, 27159280), (16, 22066915), (20, 17653532), (26, 13579640), (40, 8826766), (52, 6789820), (65, 5431856), (80, 4413383), (104, 3394910), (130, 2715928), (208, 1697455), (260, 1357964), (520, 678982), (1040, 339491)]