210705040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 160

約数和(自身を含む): 610960896

約数和(自身を除く): 400255856

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 103, 104, 112, 130, 140, 182, 206, 208, 260, 280, 281, 364, 412, 455, 515, 520, 560, 562, 721, 728, 824, 910, 1030, 1040, 1124, 1339, 1405, 1442, 1456, 1648, 1820, 1967, 2060, 2248, 2678, 2810, 2884, 3605, 3640, 3653, 3934, 4120, 4496, 5356, 5620, 5768, 6695, 7210, 7280, 7306, 7868, 8240, 9373, 9835, 10712, 11240, 11536, 13390, 14420, 14612, 15736, 18265, 18746, 19670, 21424, 22480, 25571, 26780, 28840, 28943, 29224, 31472, 36530, 37492, 39340, 46865, 51142, 53560, 57680, 57886, 58448, 73060, 74984, 78680, 93730, 102284, 107120, 115772, 127855, 144715, 146120, 149968, 157360, 187460, 202601, 204568, 231544, 255710, 289430, 292240, 374920, 376259, 405202, 409136, 463088, 511420, 578860, 749840, 752518, 810404, 1013005, 1022840, 1157720, 1505036, 1620808, 1881295, 2026010, 2045680, 2315440, 2633813, 3010072, 3241616, 3762590, 4052020, 5267626, 6020144, 7525180, 8104040, 10535252, 13169065, 15050360, 16208080, 21070504, 26338130, 30100720, 42141008, 52676260, 105352520, 210705040]

約数ペア:

[(1, 210705040), (2, 105352520), (4, 52676260), (5, 42141008), (7, 30100720), (8, 26338130), (10, 21070504), (13, 16208080), (14, 15050360), (16, 13169065), (20, 10535252), (26, 8104040), (28, 7525180), (35, 6020144), (40, 5267626), (52, 4052020), (56, 3762590), (65, 3241616), (70, 3010072), (80, 2633813), (91, 2315440), (103, 2045680), (104, 2026010), (112, 1881295), (130, 1620808), (140, 1505036), (182, 1157720), (206, 1022840), (208, 1013005), (260, 810404), (280, 752518), (281, 749840), (364, 578860), (412, 511420), (455, 463088), (515, 409136), (520, 405202), (560, 376259), (562, 374920), (721, 292240), (728, 289430), (824, 255710), (910, 231544), (1030, 204568), (1040, 202601), (1124, 187460), (1339, 157360), (1405, 149968), (1442, 146120), (1456, 144715), (1648, 127855), (1820, 115772), (1967, 107120), (2060, 102284), (2248, 93730), (2678, 78680), (2810, 74984), (2884, 73060), (3605, 58448), (3640, 57886), (3653, 57680), (3934, 53560), (4120, 51142), (4496, 46865), (5356, 39340), (5620, 37492), (5768, 36530), (6695, 31472), (7210, 29224), (7280, 28943), (7306, 28840), (7868, 26780), (8240, 25571), (9373, 22480), (9835, 21424), (10712, 19670), (11240, 18746), (11536, 18265), (13390, 15736), (14420, 14612)]