137867420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8849}}^1$

素因数の和:8918

約数の個数: 48

約数和(自身を含む): 312228000

約数和(自身を除く): 174360580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 8849, 15580, 17698, 35396, 44245, 88490, 168131, 176980, 336262, 362809, 672524, 725618, 840655, 1451236, 1681310, 1814045, 3362620, 3628090, 6893371, 7256180, 13786742, 27573484, 34466855, 68933710, 137867420]

約数ペア:

[(1, 137867420), (2, 68933710), (4, 34466855), (5, 27573484), (10, 13786742), (19, 7256180), (20, 6893371), (38, 3628090), (41, 3362620), (76, 1814045), (82, 1681310), (95, 1451236), (164, 840655), (190, 725618), (205, 672524), (380, 362809), (410, 336262), (779, 176980), (820, 168131), (1558, 88490), (3116, 44245), (3895, 35396), (7790, 17698), (8849, 15580)]