69141820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{28571}}^1$

素因数の和:28602

約数の個数: 36

約数和(自身を含む): 159603192

約数和(自身を除く): 90461372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 28571, 57142, 114284, 142855, 285710, 314281, 571420, 628562, 1257124, 1571405, 3142810, 3457091, 6285620, 6914182, 13828364, 17285455, 34570910, 69141820]

約数ペア:

[(1, 69141820), (2, 34570910), (4, 17285455), (5, 13828364), (10, 6914182), (11, 6285620), (20, 3457091), (22, 3142810), (44, 1571405), (55, 1257124), (110, 628562), (121, 571420), (220, 314281), (242, 285710), (484, 142855), (605, 114284), (1210, 57142), (2420, 28571)]