397890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{4421}}^1$

素因数の和:4434

約数の個数: 24

約数和(自身を含む): 1034748

約数和(自身を除く): 636858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 4421, 8842, 13263, 22105, 26526, 39789, 44210, 66315, 79578, 132630, 198945, 397890]

約数ペア:

[(1, 397890), (2, 198945), (3, 132630), (5, 79578), (6, 66315), (9, 44210), (10, 39789), (15, 26526), (18, 22105), (30, 13263), (45, 8842), (90, 4421)]