1880380

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 3981600

約数和(自身を除く): 2101220

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 631, 745, 1262, 1490, 2524, 2980, 3155, 6310, 12620, 94019, 188038, 376076, 470095, 940190, 1880380]

約数ペア:

[(1, 1880380), (2, 940190), (4, 470095), (5, 376076), (10, 188038), (20, 94019), (149, 12620), (298, 6310), (596, 3155), (631, 2980), (745, 2524), (1262, 1490)]