284137780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{747731}}^1$

素因数の和:747759

約数の個数: 24

約数和(自身を含む): 628094880

約数和(自身を除く): 343957100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 747731, 1495462, 2990924, 3738655, 7477310, 14206889, 14954620, 28413778, 56827556, 71034445, 142068890, 284137780]

約数ペア:

[(1, 284137780), (2, 142068890), (4, 71034445), (5, 56827556), (10, 28413778), (19, 14954620), (20, 14206889), (38, 7477310), (76, 3738655), (95, 2990924), (190, 1495462), (380, 747731)]