4452220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 9934848

約数和(自身を除く): 5482628

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 167, 172, 215, 310, 334, 430, 620, 668, 835, 860, 1333, 1670, 2666, 3340, 5177, 5332, 6665, 7181, 10354, 13330, 14362, 20708, 25885, 26660, 28724, 35905, 51770, 71810, 103540, 143620, 222611, 445222, 890444, 1113055, 2226110, 4452220]

約数ペア:

[(1, 4452220), (2, 2226110), (4, 1113055), (5, 890444), (10, 445222), (20, 222611), (31, 143620), (43, 103540), (62, 71810), (86, 51770), (124, 35905), (155, 28724), (167, 26660), (172, 25885), (215, 20708), (310, 14362), (334, 13330), (430, 10354), (620, 7181), (668, 6665), (835, 5332), (860, 5177), (1333, 3340), (1670, 2666)]