679809580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1\times {\mathrm{1297}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 1452306240

約数和(自身を除く): 772496660

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 359, 365, 718, 730, 1297, 1436, 1460, 1795, 2594, 3590, 5188, 6485, 7180, 12970, 25940, 26207, 52414, 94681, 104828, 131035, 189362, 262070, 378724, 465623, 473405, 524140, 931246, 946810, 1862492, 1893620, 2328115, 4656230, 9312460, 33990479, 67980958, 135961916, 169952395, 339904790, 679809580]

約数ペア:

[(1, 679809580), (2, 339904790), (4, 169952395), (5, 135961916), (10, 67980958), (20, 33990479), (73, 9312460), (146, 4656230), (292, 2328115), (359, 1893620), (365, 1862492), (718, 946810), (730, 931246), (1297, 524140), (1436, 473405), (1460, 465623), (1795, 378724), (2594, 262070), (3590, 189362), (5188, 131035), (6485, 104828), (7180, 94681), (12970, 52414), (25940, 26207)]