86350220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1009}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 198525600

約数和(自身を除く): 112175380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 389, 778, 1009, 1556, 1945, 2018, 3890, 4036, 4279, 5045, 7780, 8558, 10090, 11099, 17116, 20180, 21395, 22198, 42790, 44396, 55495, 85580, 110990, 221980, 392501, 785002, 1570004, 1962505, 3925010, 4317511, 7850020, 8635022, 17270044, 21587555, 43175110, 86350220]

約数ペア:

[(1, 86350220), (2, 43175110), (4, 21587555), (5, 17270044), (10, 8635022), (11, 7850020), (20, 4317511), (22, 3925010), (44, 1962505), (55, 1570004), (110, 785002), (220, 392501), (389, 221980), (778, 110990), (1009, 85580), (1556, 55495), (1945, 44396), (2018, 42790), (3890, 22198), (4036, 21395), (4279, 20180), (5045, 17116), (7780, 11099), (8558, 10090)]