157211740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1122941}}^1$

素因数の和:1122957

約数の個数: 24

約数和(自身を含む): 377308512

約数和(自身を除く): 220096772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1122941, 2245882, 4491764, 5614705, 7860587, 11229410, 15721174, 22458820, 31442348, 39302935, 78605870, 157211740]

約数ペア:

[(1, 157211740), (2, 78605870), (4, 39302935), (5, 31442348), (7, 22458820), (10, 15721174), (14, 11229410), (20, 7860587), (28, 5614705), (35, 4491764), (70, 2245882), (140, 1122941)]