398732020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{14627}}^1$

素因数の和:14712

約数の個数: 48

約数和(自身を含む): 884701440

約数和(自身を除く): 485969420

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 940, 1363, 2726, 5452, 6815, 13630, 14627, 27260, 29254, 58508, 73135, 146270, 292540, 424183, 687469, 848366, 1374938, 1696732, 2120915, 2749876, 3437345, 4241830, 6874690, 8483660, 13749380, 19936601, 39873202, 79746404, 99683005, 199366010, 398732020]

約数ペア:

[(1, 398732020), (2, 199366010), (4, 99683005), (5, 79746404), (10, 39873202), (20, 19936601), (29, 13749380), (47, 8483660), (58, 6874690), (94, 4241830), (116, 3437345), (145, 2749876), (188, 2120915), (235, 1696732), (290, 1374938), (470, 848366), (580, 687469), (940, 424183), (1363, 292540), (2726, 146270), (5452, 73135), (6815, 58508), (13630, 29254), (14627, 27260)]