10202900

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 22282428

約数和(自身を除く): 12079528

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 397, 514, 794, 1028, 1285, 1588, 1985, 2570, 3970, 5140, 6425, 7940, 9925, 12850, 19850, 25700, 39700, 102029, 204058, 408116, 510145, 1020290, 2040580, 2550725, 5101450, 10202900]

約数ペア:

[(1, 10202900), (2, 5101450), (4, 2550725), (5, 2040580), (10, 1020290), (20, 510145), (25, 408116), (50, 204058), (100, 102029), (257, 39700), (397, 25700), (514, 19850), (794, 12850), (1028, 9925), (1285, 7940), (1588, 6425), (1985, 5140), (2570, 3970)]