67704580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 146200320

約数和(自身を除く): 78495740

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 292, 316, 365, 395, 587, 730, 790, 1174, 1460, 1580, 2348, 2935, 5767, 5870, 11534, 11740, 23068, 28835, 42851, 46373, 57670, 85702, 92746, 115340, 171404, 185492, 214255, 231865, 428510, 463730, 857020, 927460, 3385229, 6770458, 13540916, 16926145, 33852290, 67704580]

約数ペア:

[(1, 67704580), (2, 33852290), (4, 16926145), (5, 13540916), (10, 6770458), (20, 3385229), (73, 927460), (79, 857020), (146, 463730), (158, 428510), (292, 231865), (316, 214255), (365, 185492), (395, 171404), (587, 115340), (730, 92746), (790, 85702), (1174, 57670), (1460, 46373), (1580, 42851), (2348, 28835), (2935, 23068), (5767, 11740), (5870, 11534)]