1600994900

素因数分解:

$2^2\times 5^2\times {\mathrm{1997}}^1\times {\mathrm{8017}}^1$

素因数の和:10028

約数の個数: 36

約数和(自身を含む): 3476332188

約数和(自身を除く): 1875337288

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1997, 3994, 7988, 8017, 9985, 16034, 19970, 32068, 39940, 40085, 49925, 80170, 99850, 160340, 199700, 200425, 400850, 801700, 16009949, 32019898, 64039796, 80049745, 160099490, 320198980, 400248725, 800497450, 1600994900]

約数ペア:

[(1, 1600994900), (2, 800497450), (4, 400248725), (5, 320198980), (10, 160099490), (20, 80049745), (25, 64039796), (50, 32019898), (100, 16009949), (1997, 801700), (3994, 400850), (7988, 200425), (8017, 199700), (9985, 160340), (16034, 99850), (19970, 80170), (32068, 49925), (39940, 40085)]