4509340

素因数分解:

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

素因数の和:322

約数の個数: 48

約数和(自身を含む): 10483200

約数和(自身を除く): 5973860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 199, 206, 220, 398, 412, 515, 796, 995, 1030, 1133, 1990, 2060, 2189, 2266, 3980, 4378, 4532, 5665, 8756, 10945, 11330, 20497, 21890, 22660, 40994, 43780, 81988, 102485, 204970, 225467, 409940, 450934, 901868, 1127335, 2254670, 4509340]

約数ペア:

[(1, 4509340), (2, 2254670), (4, 1127335), (5, 901868), (10, 450934), (11, 409940), (20, 225467), (22, 204970), (44, 102485), (55, 81988), (103, 43780), (110, 40994), (199, 22660), (206, 21890), (220, 20497), (398, 11330), (412, 10945), (515, 8756), (796, 5665), (995, 4532), (1030, 4378), (1133, 3980), (1990, 2266), (2060, 2189)]