687130220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4908073}}^1$

素因数の和:4908089

約数の個数: 24

約数和(自身を含む): 1649112864

約数和(自身を除く): 961982644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4908073, 9816146, 19632292, 24540365, 34356511, 49080730, 68713022, 98161460, 137426044, 171782555, 343565110, 687130220]

約数ペア:

[(1, 687130220), (2, 343565110), (4, 171782555), (5, 137426044), (7, 98161460), (10, 68713022), (14, 49080730), (20, 34356511), (28, 24540365), (35, 19632292), (70, 9816146), (140, 4908073)]