78665110

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{557}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 147044160

約数和(自身を除く): 68379050

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 487, 557, 974, 1114, 2435, 2785, 4870, 5570, 14123, 16153, 28246, 32306, 70615, 80765, 141230, 161530, 271259, 542518, 1356295, 2712590, 7866511, 15733022, 39332555, 78665110]

約数ペア:

[(1, 78665110), (2, 39332555), (5, 15733022), (10, 7866511), (29, 2712590), (58, 1356295), (145, 542518), (290, 271259), (487, 161530), (557, 141230), (974, 80765), (1114, 70615), (2435, 32306), (2785, 28246), (4870, 16153), (5570, 14123)]