199848680

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{8231}}^1$

素因数の和:8849

約数の個数: 32

約数和(自身を含む): 450455040

約数和(自身を除く): 250606360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 4856, 6070, 8231, 12140, 16462, 24280, 32924, 41155, 65848, 82310, 164620, 329240, 4996217, 9992434, 19984868, 24981085, 39969736, 49962170, 99924340, 199848680]

約数ペア:

[(1, 199848680), (2, 99924340), (4, 49962170), (5, 39969736), (8, 24981085), (10, 19984868), (20, 9992434), (40, 4996217), (607, 329240), (1214, 164620), (2428, 82310), (3035, 65848), (4856, 41155), (6070, 32924), (8231, 24280), (12140, 16462)]