648272350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{5923}}^1$

素因数の和:6145

約数の個数: 48

約数和(自身を含む): 1322236800

約数和(自身を除く): 673964450

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 199, 275, 398, 550, 995, 1990, 2189, 4378, 4975, 5923, 9950, 10945, 11846, 21890, 29615, 54725, 59230, 65153, 109450, 130306, 148075, 296150, 325765, 651530, 1178677, 1628825, 2357354, 3257650, 5893385, 11786770, 12965447, 25930894, 29466925, 58933850, 64827235, 129654470, 324136175, 648272350]

約数ペア:

[(1, 648272350), (2, 324136175), (5, 129654470), (10, 64827235), (11, 58933850), (22, 29466925), (25, 25930894), (50, 12965447), (55, 11786770), (110, 5893385), (199, 3257650), (275, 2357354), (398, 1628825), (550, 1178677), (995, 651530), (1990, 325765), (2189, 296150), (4378, 148075), (4975, 130306), (5923, 109450), (9950, 65153), (10945, 59230), (11846, 54725), (21890, 29615)]