69990940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{47939}}^1$

素因数の和:48021

約数の個数: 24

約数和(自身を含む): 148997520

約数和(自身を除く): 79006580

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 47939, 95878, 191756, 239695, 479390, 958780, 3499547, 6999094, 13998188, 17497735, 34995470, 69990940]

約数ペア:

[(1, 69990940), (2, 34995470), (4, 17497735), (5, 13998188), (10, 6999094), (20, 3499547), (73, 958780), (146, 479390), (292, 239695), (365, 191756), (730, 95878), (1460, 47939)]