311053940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{2473}}^1$

素因数の和:2832

約数の個数: 48

約数和(自身を含む): 689949120

約数和(自身を除く): 378895180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 331, 380, 662, 1324, 1655, 2473, 3310, 4946, 6289, 6620, 9892, 12365, 12578, 24730, 25156, 31445, 46987, 49460, 62890, 93974, 125780, 187948, 234935, 469870, 818563, 939740, 1637126, 3274252, 4092815, 8185630, 15552697, 16371260, 31105394, 62210788, 77763485, 155526970, 311053940]

約数ペア:

[(1, 311053940), (2, 155526970), (4, 77763485), (5, 62210788), (10, 31105394), (19, 16371260), (20, 15552697), (38, 8185630), (76, 4092815), (95, 3274252), (190, 1637126), (331, 939740), (380, 818563), (662, 469870), (1324, 234935), (1655, 187948), (2473, 125780), (3310, 93974), (4946, 62890), (6289, 49460), (6620, 46987), (9892, 31445), (12365, 25156), (12578, 24730)]