68661820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1789}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 153367200

約数和(自身を除く): 84705380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1789, 1919, 2020, 3578, 3838, 7156, 7676, 8945, 9595, 17890, 19190, 33991, 35780, 38380, 67982, 135964, 169955, 180689, 339910, 361378, 679820, 722756, 903445, 1806890, 3433091, 3613780, 6866182, 13732364, 17165455, 34330910, 68661820]

約数ペア:

[(1, 68661820), (2, 34330910), (4, 17165455), (5, 13732364), (10, 6866182), (19, 3613780), (20, 3433091), (38, 1806890), (76, 903445), (95, 722756), (101, 679820), (190, 361378), (202, 339910), (380, 180689), (404, 169955), (505, 135964), (1010, 67982), (1789, 38380), (1919, 35780), (2020, 33991), (3578, 19190), (3838, 17890), (7156, 9595), (7676, 8945)]