30885940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90841}}^1$

素因数の和:90867

約数の個数: 24

約数和(自身を含む): 68676552

約数和(自身を除く): 37790612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 90841, 181682, 363364, 454205, 908410, 1544297, 1816820, 3088594, 6177188, 7721485, 15442970, 30885940]

約数ペア:

[(1, 30885940), (2, 15442970), (4, 7721485), (5, 6177188), (10, 3088594), (17, 1816820), (20, 1544297), (34, 908410), (68, 454205), (85, 363364), (170, 181682), (340, 90841)]