401857540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2870411}}^1$

素因数の和:2870427

約数の個数: 24

約数和(自身を含む): 964458432

約数和(自身を除く): 562600892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2870411, 5740822, 11481644, 14352055, 20092877, 28704110, 40185754, 57408220, 80371508, 100464385, 200928770, 401857540]

約数ペア:

[(1, 401857540), (2, 200928770), (4, 100464385), (5, 80371508), (7, 57408220), (10, 40185754), (14, 28704110), (20, 20092877), (28, 14352055), (35, 11481644), (70, 5740822), (140, 2870411)]