205659500

素因数分解:

$2^2\times 5^3\times {\mathrm{239}}^1\times {\mathrm{1721}}^1$

素因数の和:1979

約数の個数: 48

約数和(自身を含む): 451301760

約数和(自身を除く): 245642260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 239, 250, 478, 500, 956, 1195, 1721, 2390, 3442, 4780, 5975, 6884, 8605, 11950, 17210, 23900, 29875, 34420, 43025, 59750, 86050, 119500, 172100, 215125, 411319, 430250, 822638, 860500, 1645276, 2056595, 4113190, 8226380, 10282975, 20565950, 41131900, 51414875, 102829750, 205659500]

約数ペア:

[(1, 205659500), (2, 102829750), (4, 51414875), (5, 41131900), (10, 20565950), (20, 10282975), (25, 8226380), (50, 4113190), (100, 2056595), (125, 1645276), (239, 860500), (250, 822638), (478, 430250), (500, 411319), (956, 215125), (1195, 172100), (1721, 119500), (2390, 86050), (3442, 59750), (4780, 43025), (5975, 34420), (6884, 29875), (8605, 23900), (11950, 17210)]