77307820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 166239360

約数和(自身を除く): 88931540

約数列:

[1, 2, 4, 5, 10, 20, 79, 113, 158, 226, 316, 395, 433, 452, 565, 790, 866, 1130, 1580, 1732, 2165, 2260, 4330, 8660, 8927, 17854, 34207, 35708, 44635, 48929, 68414, 89270, 97858, 136828, 171035, 178540, 195716, 244645, 342070, 489290, 684140, 978580, 3865391, 7730782, 15461564, 19326955, 38653910, 77307820]

約数ペア:

[(1, 77307820), (2, 38653910), (4, 19326955), (5, 15461564), (10, 7730782), (20, 3865391), (79, 978580), (113, 684140), (158, 489290), (226, 342070), (316, 244645), (395, 195716), (433, 178540), (452, 171035), (565, 136828), (790, 97858), (866, 89270), (1130, 68414), (1580, 48929), (1732, 44635), (2165, 35708), (2260, 34207), (4330, 17854), (8660, 8927)]