91218740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{881}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 199148544

約数和(自身を除く): 107929804

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 835, 881, 1670, 1762, 3340, 3524, 4405, 5177, 8810, 10354, 17620, 20708, 25885, 27311, 51770, 54622, 103540, 109244, 136555, 147127, 273110, 294254, 546220, 588508, 735635, 1471270, 2942540, 4560937, 9121874, 18243748, 22804685, 45609370, 91218740]

約数ペア:

[(1, 91218740), (2, 45609370), (4, 22804685), (5, 18243748), (10, 9121874), (20, 4560937), (31, 2942540), (62, 1471270), (124, 735635), (155, 588508), (167, 546220), (310, 294254), (334, 273110), (620, 147127), (668, 136555), (835, 109244), (881, 103540), (1670, 54622), (1762, 51770), (3340, 27311), (3524, 25885), (4405, 20708), (5177, 17620), (8810, 10354)]