149810980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{680959}}^1$

素因数の和:680979

約数の個数: 24

約数和(自身を含む): 343203840

約数和(自身を除く): 193392860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 680959, 1361918, 2723836, 3404795, 6809590, 7490549, 13619180, 14981098, 29962196, 37452745, 74905490, 149810980]

約数ペア:

[(1, 149810980), (2, 74905490), (4, 37452745), (5, 29962196), (10, 14981098), (11, 13619180), (20, 7490549), (22, 6809590), (44, 3404795), (55, 2723836), (110, 1361918), (220, 680959)]