154297640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{551063}}^1$

素因数の和:551081

約数の個数: 32

約数和(自身を含む): 396766080

約数和(自身を除く): 242468440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 551063, 1102126, 2204252, 2755315, 3857441, 4408504, 5510630, 7714882, 11021260, 15429764, 19287205, 22042520, 30859528, 38574410, 77148820, 154297640]

約数ペア:

[(1, 154297640), (2, 77148820), (4, 38574410), (5, 30859528), (7, 22042520), (8, 19287205), (10, 15429764), (14, 11021260), (20, 7714882), (28, 5510630), (35, 4408504), (40, 3857441), (56, 2755315), (70, 2204252), (140, 1102126), (280, 551063)]