128252110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{261739}}^1$

素因数の和:261760

約数の個数: 24

約数和(自身を含む): 268545240

約数和(自身を除く): 140293130

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 261739, 523478, 1308695, 1832173, 2617390, 3664346, 9160865, 12825211, 18321730, 25650422, 64126055, 128252110]

約数ペア:

[(1, 128252110), (2, 64126055), (5, 25650422), (7, 18321730), (10, 12825211), (14, 9160865), (35, 3664346), (49, 2617390), (70, 1832173), (98, 1308695), (245, 523478), (490, 261739)]