398126960

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1319}}^1$

素因数の和:1364

約数の個数: 160

約数和(自身を含む): 1178496000

約数和(自身を除く): 780369040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 560, 616, 686, 770, 784, 880, 980, 1078, 1232, 1319, 1372, 1540, 1715, 1960, 2156, 2638, 2695, 2744, 3080, 3430, 3773, 3920, 4312, 5276, 5390, 5488, 6160, 6595, 6860, 7546, 8624, 9233, 10552, 10780, 13190, 13720, 14509, 15092, 18466, 18865, 21104, 21560, 26380, 27440, 29018, 30184, 36932, 37730, 43120, 46165, 52760, 58036, 60368, 64631, 72545, 73864, 75460, 92330, 101563, 105520, 116072, 129262, 145090, 147728, 150920, 184660, 203126, 232144, 258524, 290180, 301840, 323155, 369320, 406252, 452417, 507815, 517048, 580360, 646310, 710941, 738640, 812504, 904834, 1015630, 1034096, 1160720, 1292620, 1421882, 1625008, 1809668, 2031260, 2262085, 2585240, 2843764, 3554705, 3619336, 4062520, 4524170, 4976587, 5170480, 5687528, 7109410, 7238672, 8125040, 9048340, 9953174, 11375056, 14218820, 18096680, 19906348, 24882935, 28437640, 36193360, 39812696, 49765870, 56875280, 79625392, 99531740, 199063480, 398126960]

約数ペア:

[(1, 398126960), (2, 199063480), (4, 99531740), (5, 79625392), (7, 56875280), (8, 49765870), (10, 39812696), (11, 36193360), (14, 28437640), (16, 24882935), (20, 19906348), (22, 18096680), (28, 14218820), (35, 11375056), (40, 9953174), (44, 9048340), (49, 8125040), (55, 7238672), (56, 7109410), (70, 5687528), (77, 5170480), (80, 4976587), (88, 4524170), (98, 4062520), (110, 3619336), (112, 3554705), (140, 2843764), (154, 2585240), (176, 2262085), (196, 2031260), (220, 1809668), (245, 1625008), (280, 1421882), (308, 1292620), (343, 1160720), (385, 1034096), (392, 1015630), (440, 904834), (490, 812504), (539, 738640), (560, 710941), (616, 646310), (686, 580360), (770, 517048), (784, 507815), (880, 452417), (980, 406252), (1078, 369320), (1232, 323155), (1319, 301840), (1372, 290180), (1540, 258524), (1715, 232144), (1960, 203126), (2156, 184660), (2638, 150920), (2695, 147728), (2744, 145090), (3080, 129262), (3430, 116072), (3773, 105520), (3920, 101563), (4312, 92330), (5276, 75460), (5390, 73864), (5488, 72545), (6160, 64631), (6595, 60368), (6860, 58036), (7546, 52760), (8624, 46165), (9233, 43120), (10552, 37730), (10780, 36932), (13190, 30184), (13720, 29018), (14509, 27440), (15092, 26380), (18466, 21560), (18865, 21104)]