9018680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 22464000

約数和(自身を除く): 13445320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 199, 206, 220, 398, 412, 440, 515, 796, 824, 995, 1030, 1133, 1592, 1990, 2060, 2189, 2266, 3980, 4120, 4378, 4532, 5665, 7960, 8756, 9064, 10945, 11330, 17512, 20497, 21890, 22660, 40994, 43780, 45320, 81988, 87560, 102485, 163976, 204970, 225467, 409940, 450934, 819880, 901868, 1127335, 1803736, 2254670, 4509340, 9018680]

約数ペア:

[(1, 9018680), (2, 4509340), (4, 2254670), (5, 1803736), (8, 1127335), (10, 901868), (11, 819880), (20, 450934), (22, 409940), (40, 225467), (44, 204970), (55, 163976), (88, 102485), (103, 87560), (110, 81988), (199, 45320), (206, 43780), (220, 40994), (398, 22660), (412, 21890), (440, 20497), (515, 17512), (796, 11330), (824, 10945), (995, 9064), (1030, 8756), (1133, 7960), (1592, 5665), (1990, 4532), (2060, 4378), (2189, 4120), (2266, 3980)]