201716830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{411667}}^1$

素因数の和:411688

約数の個数: 24

約数和(自身を含む): 422371368

約数和(自身を除く): 220654538

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 411667, 823334, 2058335, 2881669, 4116670, 5763338, 14408345, 20171683, 28816690, 40343366, 100858415, 201716830]

約数ペア:

[(1, 201716830), (2, 100858415), (5, 40343366), (7, 28816690), (10, 20171683), (14, 14408345), (35, 5763338), (49, 4116670), (70, 2881669), (98, 2058335), (245, 823334), (490, 411667)]