315574220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1213747}}^1$

素因数の和:1213769

約数の個数: 24

約数和(自身を含む): 713683824

約数和(自身を除く): 398109604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1213747, 2427494, 4854988, 6068735, 12137470, 15778711, 24274940, 31557422, 63114844, 78893555, 157787110, 315574220]

約数ペア:

[(1, 315574220), (2, 157787110), (4, 78893555), (5, 63114844), (10, 31557422), (13, 24274940), (20, 15778711), (26, 12137470), (52, 6068735), (65, 4854988), (130, 2427494), (260, 1213747)]