290431960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1093}}^1$

素因数の和:1197

約数の個数: 128

約数和(自身を含む): 816036480

約数和(自身を除く): 525604520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 260, 280, 292, 364, 365, 455, 511, 520, 584, 728, 730, 910, 949, 1022, 1093, 1460, 1820, 1898, 2044, 2186, 2555, 2920, 3640, 3796, 4088, 4372, 4745, 5110, 5465, 6643, 7592, 7651, 8744, 9490, 10220, 10930, 13286, 14209, 15302, 18980, 20440, 21860, 26572, 28418, 30604, 33215, 37960, 38255, 43720, 53144, 56836, 61208, 66430, 71045, 76510, 79789, 99463, 113672, 132860, 142090, 153020, 159578, 198926, 265720, 284180, 306040, 319156, 397852, 398945, 497315, 558523, 568360, 638312, 795704, 797890, 994630, 1037257, 1117046, 1595780, 1989260, 2074514, 2234092, 2792615, 3191560, 3978520, 4149028, 4468184, 5186285, 5585230, 7260799, 8298056, 10372570, 11170460, 14521598, 20745140, 22340920, 29043196, 36303995, 41490280, 58086392, 72607990, 145215980, 290431960]

約数ペア:

[(1, 290431960), (2, 145215980), (4, 72607990), (5, 58086392), (7, 41490280), (8, 36303995), (10, 29043196), (13, 22340920), (14, 20745140), (20, 14521598), (26, 11170460), (28, 10372570), (35, 8298056), (40, 7260799), (52, 5585230), (56, 5186285), (65, 4468184), (70, 4149028), (73, 3978520), (91, 3191560), (104, 2792615), (130, 2234092), (140, 2074514), (146, 1989260), (182, 1595780), (260, 1117046), (280, 1037257), (292, 994630), (364, 797890), (365, 795704), (455, 638312), (511, 568360), (520, 558523), (584, 497315), (728, 398945), (730, 397852), (910, 319156), (949, 306040), (1022, 284180), (1093, 265720), (1460, 198926), (1820, 159578), (1898, 153020), (2044, 142090), (2186, 132860), (2555, 113672), (2920, 99463), (3640, 79789), (3796, 76510), (4088, 71045), (4372, 66430), (4745, 61208), (5110, 56836), (5465, 53144), (6643, 43720), (7592, 38255), (7651, 37960), (8744, 33215), (9490, 30604), (10220, 28418), (10930, 26572), (13286, 21860), (14209, 20440), (15302, 18980)]