78443780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12143}}^1$

素因数の和:12188

約数の個数: 48

約数和(自身を含む): 183617280

約数和(自身を除く): 105173500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 12143, 24286, 48572, 60715, 121430, 206431, 230717, 242860, 412862, 461434, 825724, 922868, 1032155, 1153585, 2064310, 2307170, 3922189, 4128620, 4614340, 7844378, 15688756, 19610945, 39221890, 78443780]

約数ペア:

[(1, 78443780), (2, 39221890), (4, 19610945), (5, 15688756), (10, 7844378), (17, 4614340), (19, 4128620), (20, 3922189), (34, 2307170), (38, 2064310), (68, 1153585), (76, 1032155), (85, 922868), (95, 825724), (170, 461434), (190, 412862), (323, 242860), (340, 230717), (380, 206431), (646, 121430), (1292, 60715), (1615, 48572), (3230, 24286), (6460, 12143)]