559964740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{213727}}^1$

素因数の和:213867

約数の個数: 24

約数和(自身を含む): 1184908032

約数和(自身を除く): 624943292

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 213727, 427454, 854908, 1068635, 2137270, 4274540, 27998237, 55996474, 111992948, 139991185, 279982370, 559964740]

約数ペア:

[(1, 559964740), (2, 279982370), (4, 139991185), (5, 111992948), (10, 55996474), (20, 27998237), (131, 4274540), (262, 2137270), (524, 1068635), (655, 854908), (1310, 427454), (2620, 213727)]