1646620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 3810240

約数和(自身を除く): 2163620

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 167, 170, 290, 334, 340, 493, 580, 668, 835, 986, 1670, 1972, 2465, 2839, 3340, 4843, 4930, 5678, 9686, 9860, 11356, 14195, 19372, 24215, 28390, 48430, 56780, 82331, 96860, 164662, 329324, 411655, 823310, 1646620]

約数ペア:

[(1, 1646620), (2, 823310), (4, 411655), (5, 329324), (10, 164662), (17, 96860), (20, 82331), (29, 56780), (34, 48430), (58, 28390), (68, 24215), (85, 19372), (116, 14195), (145, 11356), (167, 9860), (170, 9686), (290, 5678), (334, 4930), (340, 4843), (493, 3340), (580, 2839), (668, 2465), (835, 1972), (986, 1670)]