2138380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3449}}^1$

素因数の和:3489

約数の個数: 24

約数和(自身を含む): 4636800

約数和(自身を除く): 2498420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3449, 6898, 13796, 17245, 34490, 68980, 106919, 213838, 427676, 534595, 1069190, 2138380]

約数ペア:

[(1, 2138380), (2, 1069190), (4, 534595), (5, 427676), (10, 213838), (20, 106919), (31, 68980), (62, 34490), (124, 17245), (155, 13796), (310, 6898), (620, 3449)]