61317020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 135172800

約数和(自身を除く): 73855780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 1489, 2059, 2978, 4118, 5956, 7445, 8236, 10295, 14890, 20590, 29780, 41180, 43181, 86362, 105719, 172724, 211438, 215905, 422876, 431810, 528595, 863620, 1057190, 2114380, 3065851, 6131702, 12263404, 15329255, 30658510, 61317020]

約数ペア:

[(1, 61317020), (2, 30658510), (4, 15329255), (5, 12263404), (10, 6131702), (20, 3065851), (29, 2114380), (58, 1057190), (71, 863620), (116, 528595), (142, 431810), (145, 422876), (284, 215905), (290, 211438), (355, 172724), (580, 105719), (710, 86362), (1420, 43181), (1489, 41180), (2059, 29780), (2978, 20590), (4118, 14890), (5956, 10295), (7445, 8236)]