2109404740

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{214807}}^1$

素因数の和:215307

約数の個数: 24

約数和(自身を含む): 4438792512

約数和(自身を除く): 2329387772

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 214807, 429614, 859228, 1074035, 2148070, 4296140, 105470237, 210940474, 421880948, 527351185, 1054702370, 2109404740]

約数ペア:

[(1, 2109404740), (2, 1054702370), (4, 527351185), (5, 421880948), (10, 210940474), (20, 105470237), (491, 4296140), (982, 2148070), (1964, 1074035), (2455, 859228), (4910, 429614), (9820, 214807)]