85390490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21839}}^1$

素因数の和:21886

約数の個数: 32

約数和(自身を含む): 169827840

約数和(自身を除く): 84437350

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 21839, 43678, 109195, 218390, 371263, 502297, 742526, 1004594, 1856315, 2511485, 3712630, 5022970, 8539049, 17078098, 42695245, 85390490]

約数ペア:

[(1, 85390490), (2, 42695245), (5, 17078098), (10, 8539049), (17, 5022970), (23, 3712630), (34, 2511485), (46, 1856315), (85, 1004594), (115, 742526), (170, 502297), (230, 371263), (391, 218390), (782, 109195), (1955, 43678), (3910, 21839)]