420174430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1\times {\mathrm{3413}}^1$

素因数の和:4380

約数の個数: 32

約数和(自身を含む): 815590944

約数和(自身を除く): 395416514

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 947, 1894, 3413, 4735, 6826, 9470, 12311, 17065, 24622, 34130, 44369, 61555, 88738, 123110, 221845, 443690, 3232111, 6464222, 16160555, 32321110, 42017443, 84034886, 210087215, 420174430]

約数ペア:

[(1, 420174430), (2, 210087215), (5, 84034886), (10, 42017443), (13, 32321110), (26, 16160555), (65, 6464222), (130, 3232111), (947, 443690), (1894, 221845), (3413, 123110), (4735, 88738), (6826, 61555), (9470, 44369), (12311, 34130), (17065, 24622)]