9784660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 21772800

約数和(自身を除く): 11988140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 239, 356, 445, 460, 478, 890, 956, 1195, 1780, 2047, 2390, 4094, 4780, 5497, 8188, 10235, 10994, 20470, 21271, 21988, 27485, 40940, 42542, 54970, 85084, 106355, 109940, 212710, 425420, 489233, 978466, 1956932, 2446165, 4892330, 9784660]

約数ペア:

[(1, 9784660), (2, 4892330), (4, 2446165), (5, 1956932), (10, 978466), (20, 489233), (23, 425420), (46, 212710), (89, 109940), (92, 106355), (115, 85084), (178, 54970), (230, 42542), (239, 40940), (356, 27485), (445, 21988), (460, 21271), (478, 20470), (890, 10994), (956, 10235), (1195, 8188), (1780, 5497), (2047, 4780), (2390, 4094)]