179396980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1281407}}^1$

素因数の和:1281423

約数の個数: 24

約数和(自身を含む): 430553088

約数和(自身を除く): 251156108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1281407, 2562814, 5125628, 6407035, 8969849, 12814070, 17939698, 25628140, 35879396, 44849245, 89698490, 179396980]

約数ペア:

[(1, 179396980), (2, 89698490), (4, 44849245), (5, 35879396), (7, 25628140), (10, 17939698), (14, 12814070), (20, 8969849), (28, 6407035), (35, 5125628), (70, 2562814), (140, 1281407)]