2738620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 5796000

約数和(自身を除く): 3057380

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 919, 1490, 1838, 2980, 3676, 4595, 9190, 18380, 136931, 273862, 547724, 684655, 1369310, 2738620]

約数ペア:

[(1, 2738620), (2, 1369310), (4, 684655), (5, 547724), (10, 273862), (20, 136931), (149, 18380), (298, 9190), (596, 4595), (745, 3676), (919, 2980), (1490, 1838)]