201244360

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{12301}}^1$

素因数の和:12721

約数の個数: 32

約数和(自身を含む): 453943800

約数和(自身を除く): 252699440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 12301, 16360, 24602, 49204, 61505, 98408, 123010, 246020, 492040, 5031109, 10062218, 20124436, 25155545, 40248872, 50311090, 100622180, 201244360]

約数ペア:

[(1, 201244360), (2, 100622180), (4, 50311090), (5, 40248872), (8, 25155545), (10, 20124436), (20, 10062218), (40, 5031109), (409, 492040), (818, 246020), (1636, 123010), (2045, 98408), (3272, 61505), (4090, 49204), (8180, 24602), (12301, 16360)]