197611840

素因数分解:

$2^6\times 5^1\times {\mathrm{617537}}^1$

素因数の和:617554

約数の個数: 28

約数和(自身を含む): 470563956

約数和(自身を除く): 272952116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 617537, 1235074, 2470148, 3087685, 4940296, 6175370, 9880592, 12350740, 19761184, 24701480, 39522368, 49402960, 98805920, 197611840]

約数ペア:

[(1, 197611840), (2, 98805920), (4, 49402960), (5, 39522368), (8, 24701480), (10, 19761184), (16, 12350740), (20, 9880592), (32, 6175370), (40, 4940296), (64, 3087685), (80, 2470148), (160, 1235074), (320, 617537)]