1909885040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1877}}^1$

素因数の和:1999

約数の個数: 160

約数和(自身を含む): 5365370880

約数和(自身を除く): 3455485840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 79, 80, 92, 112, 115, 140, 158, 161, 184, 230, 280, 316, 322, 368, 395, 460, 553, 560, 632, 644, 790, 805, 920, 1106, 1264, 1288, 1580, 1610, 1817, 1840, 1877, 2212, 2576, 2765, 3160, 3220, 3634, 3754, 4424, 5530, 6320, 6440, 7268, 7508, 8848, 9085, 9385, 11060, 12719, 12880, 13139, 14536, 15016, 18170, 18770, 22120, 25438, 26278, 29072, 30032, 36340, 37540, 43171, 44240, 50876, 52556, 63595, 65695, 72680, 75080, 86342, 101752, 105112, 127190, 131390, 145360, 148283, 150160, 172684, 203504, 210224, 215855, 254380, 262780, 296566, 302197, 345368, 431710, 508760, 525560, 593132, 604394, 690736, 741415, 863420, 1017520, 1037981, 1051120, 1186264, 1208788, 1482830, 1510985, 1726840, 2075962, 2372528, 2417576, 2965660, 3021970, 3410509, 3453680, 4151924, 4835152, 5189905, 5931320, 6043940, 6821018, 8303848, 10379810, 11862640, 12087880, 13642036, 16607696, 17052545, 20759620, 23873563, 24175760, 27284072, 34105090, 41519240, 47747126, 54568144, 68210180, 83038480, 95494252, 119367815, 136420360, 190988504, 238735630, 272840720, 381977008, 477471260, 954942520, 1909885040]

約数ペア:

[(1, 1909885040), (2, 954942520), (4, 477471260), (5, 381977008), (7, 272840720), (8, 238735630), (10, 190988504), (14, 136420360), (16, 119367815), (20, 95494252), (23, 83038480), (28, 68210180), (35, 54568144), (40, 47747126), (46, 41519240), (56, 34105090), (70, 27284072), (79, 24175760), (80, 23873563), (92, 20759620), (112, 17052545), (115, 16607696), (140, 13642036), (158, 12087880), (161, 11862640), (184, 10379810), (230, 8303848), (280, 6821018), (316, 6043940), (322, 5931320), (368, 5189905), (395, 4835152), (460, 4151924), (553, 3453680), (560, 3410509), (632, 3021970), (644, 2965660), (790, 2417576), (805, 2372528), (920, 2075962), (1106, 1726840), (1264, 1510985), (1288, 1482830), (1580, 1208788), (1610, 1186264), (1817, 1051120), (1840, 1037981), (1877, 1017520), (2212, 863420), (2576, 741415), (2765, 690736), (3160, 604394), (3220, 593132), (3634, 525560), (3754, 508760), (4424, 431710), (5530, 345368), (6320, 302197), (6440, 296566), (7268, 262780), (7508, 254380), (8848, 215855), (9085, 210224), (9385, 203504), (11060, 172684), (12719, 150160), (12880, 148283), (13139, 145360), (14536, 131390), (15016, 127190), (18170, 105112), (18770, 101752), (22120, 86342), (25438, 75080), (26278, 72680), (29072, 65695), (30032, 63595), (36340, 52556), (37540, 50876), (43171, 44240)]