788557540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{27061}}^1$

素因数の和:27148

約数の個数: 48

約数和(自身を含む): 1745823744

約数和(自身を除く): 957266204

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1457, 2914, 5828, 7285, 14570, 27061, 29140, 54122, 108244, 135305, 270610, 541220, 838891, 1271867, 1677782, 2543734, 3355564, 4194455, 5087468, 6359335, 8388910, 12718670, 16777820, 25437340, 39427877, 78855754, 157711508, 197139385, 394278770, 788557540]

約数ペア:

[(1, 788557540), (2, 394278770), (4, 197139385), (5, 157711508), (10, 78855754), (20, 39427877), (31, 25437340), (47, 16777820), (62, 12718670), (94, 8388910), (124, 6359335), (155, 5087468), (188, 4194455), (235, 3355564), (310, 2543734), (470, 1677782), (620, 1271867), (940, 838891), (1457, 541220), (2914, 270610), (5828, 135305), (7285, 108244), (14570, 54122), (27061, 29140)]