485560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 1116000

約数和(自身を除く): 630440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 199, 244, 305, 398, 488, 610, 796, 995, 1220, 1592, 1990, 2440, 3980, 7960, 12139, 24278, 48556, 60695, 97112, 121390, 242780, 485560]

約数ペア:

[(1, 485560), (2, 242780), (4, 121390), (5, 97112), (8, 60695), (10, 48556), (20, 24278), (40, 12139), (61, 7960), (122, 3980), (199, 2440), (244, 1990), (305, 1592), (398, 1220), (488, 995), (610, 796)]