247494020

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{24799}}^1$

素因数の和:25307

約数の個数: 24

約数和(自身を含む): 520800000

約数和(自身を除く): 273305980

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 24799, 49598, 99196, 123995, 247990, 495980, 12374701, 24749402, 49498804, 61873505, 123747010, 247494020]

約数ペア:

[(1, 247494020), (2, 123747010), (4, 61873505), (5, 49498804), (10, 24749402), (20, 12374701), (499, 495980), (998, 247990), (1996, 123995), (2495, 99196), (4990, 49598), (9980, 24799)]