90488380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{145949}}^1$

素因数の和:145989

約数の個数: 24

約数和(自身を含む): 196156800

約数和(自身を除く): 105668420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 145949, 291898, 583796, 729745, 1459490, 2918980, 4524419, 9048838, 18097676, 22622095, 45244190, 90488380]

約数ペア:

[(1, 90488380), (2, 45244190), (4, 22622095), (5, 18097676), (10, 9048838), (20, 4524419), (31, 2918980), (62, 1459490), (124, 729745), (155, 583796), (310, 291898), (620, 145949)]