90921820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37571}}^1$

素因数の和:37602

約数の個数: 36

約数和(自身を含む): 209877192

約数和(自身を除く): 118955372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 37571, 75142, 150284, 187855, 375710, 413281, 751420, 826562, 1653124, 2066405, 4132810, 4546091, 8265620, 9092182, 18184364, 22730455, 45460910, 90921820]

約数ペア:

[(1, 90921820), (2, 45460910), (4, 22730455), (5, 18184364), (10, 9092182), (11, 8265620), (20, 4546091), (22, 4132810), (44, 2066405), (55, 1653124), (110, 826562), (121, 751420), (220, 413281), (242, 375710), (484, 187855), (605, 150284), (1210, 75142), (2420, 37571)]