217989848480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1667609}}^1$

素因数の和:1667686

約数の個数: 96

約数和(自身を含む): 554713790400

約数和(自身を除く): 336723941920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 344, 380, 430, 608, 688, 760, 817, 860, 1376, 1520, 1634, 1720, 3040, 3268, 3440, 4085, 6536, 6880, 8170, 13072, 16340, 26144, 32680, 65360, 130720, 1667609, 3335218, 6670436, 8338045, 13340872, 16676090, 26681744, 31684571, 33352180, 53363488, 63369142, 66704360, 71707187, 126738284, 133408720, 143414374, 158422855, 253476568, 266817440, 286828748, 316845710, 358535935, 506953136, 573657496, 633691420, 717071870, 1013906272, 1147314992, 1267382840, 1362436553, 1434143740, 2294629984, 2534765680, 2724873106, 2868287480, 5069531360, 5449746212, 5736574960, 6812182765, 10899492424, 11473149920, 13624365530, 21798984848, 27248731060, 43597969696, 54497462120, 108994924240, 217989848480]

約数ペア:

[(1, 217989848480), (2, 108994924240), (4, 54497462120), (5, 43597969696), (8, 27248731060), (10, 21798984848), (16, 13624365530), (19, 11473149920), (20, 10899492424), (32, 6812182765), (38, 5736574960), (40, 5449746212), (43, 5069531360), (76, 2868287480), (80, 2724873106), (86, 2534765680), (95, 2294629984), (152, 1434143740), (160, 1362436553), (172, 1267382840), (190, 1147314992), (215, 1013906272), (304, 717071870), (344, 633691420), (380, 573657496), (430, 506953136), (608, 358535935), (688, 316845710), (760, 286828748), (817, 266817440), (860, 253476568), (1376, 158422855), (1520, 143414374), (1634, 133408720), (1720, 126738284), (3040, 71707187), (3268, 66704360), (3440, 63369142), (4085, 53363488), (6536, 33352180), (6880, 31684571), (8170, 26681744), (13072, 16676090), (16340, 13340872), (26144, 8338045), (32680, 6670436), (65360, 3335218), (130720, 1667609)]