157066220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{99409}}^1$

素因数の和:99497

約数の個数: 24

約数和(自身を含む): 334017600

約数和(自身を除く): 176951380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 99409, 198818, 397636, 497045, 994090, 1988180, 7853311, 15706622, 31413244, 39266555, 78533110, 157066220]

約数ペア:

[(1, 157066220), (2, 78533110), (4, 39266555), (5, 31413244), (10, 15706622), (20, 7853311), (79, 1988180), (158, 994090), (316, 497045), (395, 397636), (790, 198818), (1580, 99409)]