28365860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4391}}^1$

素因数の和:4436

約数の個数: 48

約数和(自身を含む): 66407040

約数和(自身を除く): 38041180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 4391, 6460, 8782, 17564, 21955, 43910, 74647, 83429, 87820, 149294, 166858, 298588, 333716, 373235, 417145, 746470, 834290, 1418293, 1492940, 1668580, 2836586, 5673172, 7091465, 14182930, 28365860]

約数ペア:

[(1, 28365860), (2, 14182930), (4, 7091465), (5, 5673172), (10, 2836586), (17, 1668580), (19, 1492940), (20, 1418293), (34, 834290), (38, 746470), (68, 417145), (76, 373235), (85, 333716), (95, 298588), (170, 166858), (190, 149294), (323, 87820), (340, 83429), (380, 74647), (646, 43910), (1292, 21955), (1615, 17564), (3230, 8782), (4391, 6460)]