221437890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2460421}}^1$

素因数の和:2460434

約数の個数: 24

約数和(自身を含む): 575738748

約数和(自身を除く): 354300858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2460421, 4920842, 7381263, 12302105, 14762526, 22143789, 24604210, 36906315, 44287578, 73812630, 110718945, 221437890]

約数ペア:

[(1, 221437890), (2, 110718945), (3, 73812630), (5, 44287578), (6, 36906315), (9, 24604210), (10, 22143789), (15, 14762526), (18, 12302105), (30, 7381263), (45, 4920842), (90, 2460421)]