200412890

素因数分解:

$2^1\times 5^1\times {\mathrm{2239}}^1\times {\mathrm{8951}}^1$

素因数の和:11197

約数の個数: 16

約数和(自身を含む): 360944640

約数和(自身を除く): 160531750

約数列:

[1, 2, 5, 10, 2239, 4478, 8951, 11195, 17902, 22390, 44755, 89510, 20041289, 40082578, 100206445, 200412890]

約数ペア:

[(1, 200412890), (2, 100206445), (5, 40082578), (10, 20041289), (2239, 89510), (4478, 44755), (8951, 22390), (11195, 17902)]