728540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 1554000

約数和(自身を除く): 825460

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 499, 730, 998, 1460, 1996, 2495, 4990, 9980, 36427, 72854, 145708, 182135, 364270, 728540]

約数ペア:

[(1, 728540), (2, 364270), (4, 182135), (5, 145708), (10, 72854), (20, 36427), (73, 9980), (146, 4990), (292, 2495), (365, 1996), (499, 1460), (730, 998)]