317210740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{205981}}^1$

素因数の和:206008

約数の個数: 48

約数和(自身を含む): 830519424

約数和(自身を除く): 513308684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 205981, 411962, 823924, 1029905, 1441867, 2059810, 2265791, 2883734, 4119620, 4531582, 5767468, 7209335, 9063164, 11328955, 14418670, 15860537, 22657910, 28837340, 31721074, 45315820, 63442148, 79302685, 158605370, 317210740]

約数ペア:

[(1, 317210740), (2, 158605370), (4, 79302685), (5, 63442148), (7, 45315820), (10, 31721074), (11, 28837340), (14, 22657910), (20, 15860537), (22, 14418670), (28, 11328955), (35, 9063164), (44, 7209335), (55, 5767468), (70, 4531582), (77, 4119620), (110, 2883734), (140, 2265791), (154, 2059810), (220, 1441867), (308, 1029905), (385, 823924), (770, 411962), (1540, 205981)]