830647540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{12791}}^1$

素因数の和:13008

約数の個数: 48

約数和(自身を含む): 1856784384

約数和(自身を除く): 1026136844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 764, 955, 1910, 3247, 3820, 6494, 12791, 12988, 16235, 25582, 32470, 51164, 63955, 64940, 127910, 217447, 255820, 434894, 869788, 1087235, 2174470, 2443081, 4348940, 4886162, 9772324, 12215405, 24430810, 41532377, 48861620, 83064754, 166129508, 207661885, 415323770, 830647540]

約数ペア:

[(1, 830647540), (2, 415323770), (4, 207661885), (5, 166129508), (10, 83064754), (17, 48861620), (20, 41532377), (34, 24430810), (68, 12215405), (85, 9772324), (170, 4886162), (191, 4348940), (340, 2443081), (382, 2174470), (764, 1087235), (955, 869788), (1910, 434894), (3247, 255820), (3820, 217447), (6494, 127910), (12791, 64940), (12988, 63955), (16235, 51164), (25582, 32470)]