297250280

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 680400000

約数和(自身を除く): 383149720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 199, 214, 349, 398, 428, 535, 698, 796, 856, 995, 1070, 1396, 1592, 1745, 1990, 2140, 2792, 3490, 3980, 4280, 6980, 7960, 13960, 21293, 37343, 42586, 69451, 74686, 85172, 106465, 138902, 149372, 170344, 186715, 212930, 277804, 298744, 347255, 373430, 425860, 555608, 694510, 746860, 851720, 1389020, 1493720, 2778040, 7431257, 14862514, 29725028, 37156285, 59450056, 74312570, 148625140, 297250280]

約数ペア:

[(1, 297250280), (2, 148625140), (4, 74312570), (5, 59450056), (8, 37156285), (10, 29725028), (20, 14862514), (40, 7431257), (107, 2778040), (199, 1493720), (214, 1389020), (349, 851720), (398, 746860), (428, 694510), (535, 555608), (698, 425860), (796, 373430), (856, 347255), (995, 298744), (1070, 277804), (1396, 212930), (1592, 186715), (1745, 170344), (1990, 149372), (2140, 138902), (2792, 106465), (3490, 85172), (3980, 74686), (4280, 69451), (6980, 42586), (7960, 37343), (13960, 21293)]