251367280

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{66853}}^1$

素因数の和:66913

約数の個数: 40

約数和(自身を含む): 596872512

約数和(自身を除く): 345505232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 66853, 133706, 267412, 334265, 534824, 668530, 1069648, 1337060, 2674120, 3142091, 5348240, 6284182, 12568364, 15710455, 25136728, 31420910, 50273456, 62841820, 125683640, 251367280]

約数ペア:

[(1, 251367280), (2, 125683640), (4, 62841820), (5, 50273456), (8, 31420910), (10, 25136728), (16, 15710455), (20, 12568364), (40, 6284182), (47, 5348240), (80, 3142091), (94, 2674120), (188, 1337060), (235, 1069648), (376, 668530), (470, 534824), (752, 334265), (940, 267412), (1880, 133706), (3760, 66853)]