248936740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 585859680

約数和(自身を除く): 336922940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 113, 130, 148, 185, 226, 229, 260, 370, 452, 458, 481, 565, 740, 916, 962, 1130, 1145, 1469, 1924, 2260, 2290, 2405, 2938, 2977, 4181, 4580, 4810, 5876, 5954, 7345, 8362, 8473, 9620, 11908, 14690, 14885, 16724, 16946, 20905, 25877, 29380, 29770, 33892, 41810, 42365, 51754, 54353, 59540, 83620, 84730, 103508, 108706, 110149, 129385, 169460, 217412, 220298, 258770, 271765, 336401, 440596, 517540, 543530, 550745, 672802, 957449, 1087060, 1101490, 1345604, 1682005, 1914898, 2202980, 3364010, 3829796, 4787245, 6728020, 9574490, 12446837, 19148980, 24893674, 49787348, 62234185, 124468370, 248936740]

約数ペア:

[(1, 248936740), (2, 124468370), (4, 62234185), (5, 49787348), (10, 24893674), (13, 19148980), (20, 12446837), (26, 9574490), (37, 6728020), (52, 4787245), (65, 3829796), (74, 3364010), (113, 2202980), (130, 1914898), (148, 1682005), (185, 1345604), (226, 1101490), (229, 1087060), (260, 957449), (370, 672802), (452, 550745), (458, 543530), (481, 517540), (565, 440596), (740, 336401), (916, 271765), (962, 258770), (1130, 220298), (1145, 217412), (1469, 169460), (1924, 129385), (2260, 110149), (2290, 108706), (2405, 103508), (2938, 84730), (2977, 83620), (4181, 59540), (4580, 54353), (4810, 51754), (5876, 42365), (5954, 41810), (7345, 33892), (8362, 29770), (8473, 29380), (9620, 25877), (11908, 20905), (14690, 16946), (14885, 16724)]