248857480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{132371}}^1$

素因数の和:132429

約数の個数: 32

約数和(自身を含む): 571847040

約数和(自身を除く): 322989560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 132371, 264742, 529484, 661855, 1058968, 1323710, 2647420, 5294840, 6221437, 12442874, 24885748, 31107185, 49771496, 62214370, 124428740, 248857480]

約数ペア:

[(1, 248857480), (2, 124428740), (4, 62214370), (5, 49771496), (8, 31107185), (10, 24885748), (20, 12442874), (40, 6221437), (47, 5294840), (94, 2647420), (188, 1323710), (235, 1058968), (376, 661855), (470, 529484), (940, 264742), (1880, 132371)]