208818680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2213}}^1$

素因数の和:2568

約数の個数: 64

約数和(自身を含む): 538799040

約数和(自身を除く): 329980360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 337, 674, 1348, 1685, 2213, 2359, 2696, 3370, 4426, 4718, 6740, 8852, 9436, 11065, 11795, 13480, 15491, 17704, 18872, 22130, 23590, 30982, 44260, 47180, 61964, 77455, 88520, 94360, 123928, 154910, 309820, 619640, 745781, 1491562, 2983124, 3728905, 5220467, 5966248, 7457810, 10440934, 14915620, 20881868, 26102335, 29831240, 41763736, 52204670, 104409340, 208818680]

約数ペア:

[(1, 208818680), (2, 104409340), (4, 52204670), (5, 41763736), (7, 29831240), (8, 26102335), (10, 20881868), (14, 14915620), (20, 10440934), (28, 7457810), (35, 5966248), (40, 5220467), (56, 3728905), (70, 2983124), (140, 1491562), (280, 745781), (337, 619640), (674, 309820), (1348, 154910), (1685, 123928), (2213, 94360), (2359, 88520), (2696, 77455), (3370, 61964), (4426, 47180), (4718, 44260), (6740, 30982), (8852, 23590), (9436, 22130), (11065, 18872), (11795, 17704), (13480, 15491)]