290988080

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{9497}}^1$

素因数の和:9893

約数の個数: 40

約数和(自身を含む): 678385152

約数和(自身を除く): 387397072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 3064, 3830, 6128, 7660, 9497, 15320, 18994, 30640, 37988, 47485, 75976, 94970, 151952, 189940, 379880, 759760, 3637351, 7274702, 14549404, 18186755, 29098808, 36373510, 58197616, 72747020, 145494040, 290988080]

約数ペア:

[(1, 290988080), (2, 145494040), (4, 72747020), (5, 58197616), (8, 36373510), (10, 29098808), (16, 18186755), (20, 14549404), (40, 7274702), (80, 3637351), (383, 759760), (766, 379880), (1532, 189940), (1915, 151952), (3064, 94970), (3830, 75976), (6128, 47485), (7660, 37988), (9497, 30640), (15320, 18994)]