1990780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9049}}^1$

素因数の和:9069

約数の個数: 24

約数和(自身を含む): 4561200

約数和(自身を除く): 2570420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9049, 18098, 36196, 45245, 90490, 99539, 180980, 199078, 398156, 497695, 995390, 1990780]

約数ペア:

[(1, 1990780), (2, 995390), (4, 497695), (5, 398156), (10, 199078), (11, 180980), (20, 99539), (22, 90490), (44, 45245), (55, 36196), (110, 18098), (220, 9049)]