4389980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31357}}^1$

素因数の和:31373

約数の個数: 24

約数和(自身を含む): 10536288

約数和(自身を除く): 6146308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 31357, 62714, 125428, 156785, 219499, 313570, 438998, 627140, 877996, 1097495, 2194990, 4389980]

約数ペア:

[(1, 4389980), (2, 2194990), (4, 1097495), (5, 877996), (7, 627140), (10, 438998), (14, 313570), (20, 219499), (28, 156785), (35, 125428), (70, 62714), (140, 31357)]