201530780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{916049}}^1$

素因数の和:916069

約数の個数: 24

約数和(自身を含む): 461689200

約数和(自身を除く): 260158420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 916049, 1832098, 3664196, 4580245, 9160490, 10076539, 18320980, 20153078, 40306156, 50382695, 100765390, 201530780]

約数ペア:

[(1, 201530780), (2, 100765390), (4, 50382695), (5, 40306156), (10, 20153078), (11, 18320980), (20, 10076539), (22, 9160490), (44, 4580245), (55, 3664196), (110, 1832098), (220, 916049)]