87290290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 170213400

約数和(自身を除く): 82923110

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 529, 569, 667, 1058, 1138, 1334, 2645, 2845, 3335, 5290, 5690, 6670, 13087, 15341, 16501, 26174, 30682, 33002, 65435, 76705, 82505, 130870, 153410, 165010, 301001, 379523, 602002, 759046, 1505005, 1897615, 3010010, 3795230, 8729029, 17458058, 43645145, 87290290]

約数ペア:

[(1, 87290290), (2, 43645145), (5, 17458058), (10, 8729029), (23, 3795230), (29, 3010010), (46, 1897615), (58, 1505005), (115, 759046), (145, 602002), (230, 379523), (290, 301001), (529, 165010), (569, 153410), (667, 130870), (1058, 82505), (1138, 76705), (1334, 65435), (2645, 33002), (2845, 30682), (3335, 26174), (5290, 16501), (5690, 15341), (6670, 13087)]