290620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 666288

約数和(自身を除く): 375668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1321, 2642, 5284, 6605, 13210, 14531, 26420, 29062, 58124, 72655, 145310, 290620]

約数ペア:

[(1, 290620), (2, 145310), (4, 72655), (5, 58124), (10, 29062), (11, 26420), (20, 14531), (22, 13210), (44, 6605), (55, 5284), (110, 2642), (220, 1321)]