138859420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{1223}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 333946368

約数和(自身を除く): 195086948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 811, 1223, 1622, 2446, 3244, 4055, 4892, 5677, 6115, 8110, 8561, 11354, 12230, 16220, 17122, 22708, 24460, 28385, 34244, 42805, 56770, 85610, 113540, 171220, 991853, 1983706, 3967412, 4959265, 6942971, 9918530, 13885942, 19837060, 27771884, 34714855, 69429710, 138859420]

約数ペア:

[(1, 138859420), (2, 69429710), (4, 34714855), (5, 27771884), (7, 19837060), (10, 13885942), (14, 9918530), (20, 6942971), (28, 4959265), (35, 3967412), (70, 1983706), (140, 991853), (811, 171220), (1223, 113540), (1622, 85610), (2446, 56770), (3244, 42805), (4055, 34244), (4892, 28385), (5677, 24460), (6115, 22708), (8110, 17122), (8561, 16220), (11354, 12230)]