145655180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4217}}^1$

素因数の和:4394

約数の個数: 48

約数和(自身を含む): 335887776

約数和(自身を除く): 190232596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 3140, 3454, 4217, 6908, 8434, 8635, 16868, 17270, 21085, 34540, 42170, 46387, 84340, 92774, 185548, 231935, 463870, 662069, 927740, 1324138, 2648276, 3310345, 6620690, 7282759, 13241380, 14565518, 29131036, 36413795, 72827590, 145655180]

約数ペア:

[(1, 145655180), (2, 72827590), (4, 36413795), (5, 29131036), (10, 14565518), (11, 13241380), (20, 7282759), (22, 6620690), (44, 3310345), (55, 2648276), (110, 1324138), (157, 927740), (220, 662069), (314, 463870), (628, 231935), (785, 185548), (1570, 92774), (1727, 84340), (3140, 46387), (3454, 42170), (4217, 34540), (6908, 21085), (8434, 17270), (8635, 16868)]