220052980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1571807}}^1$

素因数の和:1571823

約数の個数: 24

約数和(自身を含む): 528127488

約数和(自身を除く): 308074508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1571807, 3143614, 6287228, 7859035, 11002649, 15718070, 22005298, 31436140, 44010596, 55013245, 110026490, 220052980]

約数ペア:

[(1, 220052980), (2, 110026490), (4, 55013245), (5, 44010596), (7, 31436140), (10, 22005298), (14, 15718070), (20, 11002649), (28, 7859035), (35, 6287228), (70, 3143614), (140, 1571807)]