289344980

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{31657}}^1$

素因数の和:32123

約数の個数: 24

約数和(自身を含む): 608973288

約数和(自身を除く): 319628308

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 9140, 31657, 63314, 126628, 158285, 316570, 633140, 14467249, 28934498, 57868996, 72336245, 144672490, 289344980]

約数ペア:

[(1, 289344980), (2, 144672490), (4, 72336245), (5, 57868996), (10, 28934498), (20, 14467249), (457, 633140), (914, 316570), (1828, 158285), (2285, 126628), (4570, 63314), (9140, 31657)]