233740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 48

約数和(自身を含む): 564480

約数和(自身を除く): 330740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 31, 52, 58, 62, 65, 116, 124, 130, 145, 155, 260, 290, 310, 377, 403, 580, 620, 754, 806, 899, 1508, 1612, 1798, 1885, 2015, 3596, 3770, 4030, 4495, 7540, 8060, 8990, 11687, 17980, 23374, 46748, 58435, 116870, 233740]

約数ペア:

[(1, 233740), (2, 116870), (4, 58435), (5, 46748), (10, 23374), (13, 17980), (20, 11687), (26, 8990), (29, 8060), (31, 7540), (52, 4495), (58, 4030), (62, 3770), (65, 3596), (116, 2015), (124, 1885), (130, 1798), (145, 1612), (155, 1508), (260, 899), (290, 806), (310, 754), (377, 620), (403, 580)]