401075140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{274709}}^1$

素因数の和:274791

約数の個数: 24

約数和(自身を含む): 853798680

約数和(自身を除く): 452723540

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 274709, 549418, 1098836, 1373545, 2747090, 5494180, 20053757, 40107514, 80215028, 100268785, 200537570, 401075140]

約数ペア:

[(1, 401075140), (2, 200537570), (4, 100268785), (5, 80215028), (10, 40107514), (20, 20053757), (73, 5494180), (146, 2747090), (292, 1373545), (365, 1098836), (730, 549418), (1460, 274709)]