290207920

素因数分解:

$2^4\times 5^1\times {\mathrm{577}}^1\times {\mathrm{6287}}^1$

素因数の和:6877

約数の個数: 40

約数和(自身を含む): 676010304

約数和(自身を除く): 385802384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 577, 1154, 2308, 2885, 4616, 5770, 6287, 9232, 11540, 12574, 23080, 25148, 31435, 46160, 50296, 62870, 100592, 125740, 251480, 502960, 3627599, 7255198, 14510396, 18137995, 29020792, 36275990, 58041584, 72551980, 145103960, 290207920]

約数ペア:

[(1, 290207920), (2, 145103960), (4, 72551980), (5, 58041584), (8, 36275990), (10, 29020792), (16, 18137995), (20, 14510396), (40, 7255198), (80, 3627599), (577, 502960), (1154, 251480), (2308, 125740), (2885, 100592), (4616, 62870), (5770, 50296), (6287, 46160), (9232, 31435), (11540, 25148), (12574, 23080)]