246815720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 565488000

約数和(自身を除く): 318672280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 199, 202, 307, 398, 404, 505, 614, 796, 808, 995, 1010, 1228, 1535, 1592, 1990, 2020, 2456, 3070, 3980, 4040, 6140, 7960, 12280, 20099, 31007, 40198, 61093, 62014, 80396, 100495, 122186, 124028, 155035, 160792, 200990, 244372, 248056, 305465, 310070, 401980, 488744, 610930, 620140, 803960, 1221860, 1240280, 2443720, 6170393, 12340786, 24681572, 30851965, 49363144, 61703930, 123407860, 246815720]

約数ペア:

[(1, 246815720), (2, 123407860), (4, 61703930), (5, 49363144), (8, 30851965), (10, 24681572), (20, 12340786), (40, 6170393), (101, 2443720), (199, 1240280), (202, 1221860), (307, 803960), (398, 620140), (404, 610930), (505, 488744), (614, 401980), (796, 310070), (808, 305465), (995, 248056), (1010, 244372), (1228, 200990), (1535, 160792), (1592, 155035), (1990, 124028), (2020, 122186), (2456, 100495), (3070, 80396), (3980, 62014), (4040, 61093), (6140, 40198), (7960, 31007), (12280, 20099)]