90382820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1321}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 207881856

約数和(自身を除く): 117499036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 311, 622, 1244, 1321, 1555, 2642, 3110, 3421, 5284, 6220, 6605, 6842, 13210, 13684, 14531, 17105, 26420, 29062, 34210, 58124, 68420, 72655, 145310, 290620, 410831, 821662, 1643324, 2054155, 4108310, 4519141, 8216620, 9038282, 18076564, 22595705, 45191410, 90382820]

約数ペア:

[(1, 90382820), (2, 45191410), (4, 22595705), (5, 18076564), (10, 9038282), (11, 8216620), (20, 4519141), (22, 4108310), (44, 2054155), (55, 1643324), (110, 821662), (220, 410831), (311, 290620), (622, 145310), (1244, 72655), (1321, 68420), (1555, 58124), (2642, 34210), (3110, 29062), (3421, 26420), (5284, 17105), (6220, 14531), (6605, 13684), (6842, 13210)]