1377405680

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 200

約数和(自身を含む): 3826121184

約数和(自身を除く): 2448715504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 101, 112, 140, 142, 196, 202, 245, 280, 284, 343, 355, 392, 404, 490, 497, 505, 560, 568, 686, 707, 710, 784, 808, 980, 994, 1010, 1136, 1372, 1414, 1420, 1616, 1715, 1960, 1988, 2020, 2401, 2485, 2744, 2828, 2840, 3430, 3479, 3535, 3920, 3976, 4040, 4802, 4949, 4970, 5488, 5656, 5680, 6860, 6958, 7070, 7171, 7952, 8080, 9604, 9898, 9940, 11312, 12005, 13720, 13916, 14140, 14342, 17395, 19208, 19796, 19880, 24010, 24353, 24745, 27440, 27832, 28280, 28684, 34643, 34790, 35855, 38416, 39592, 39760, 48020, 48706, 49490, 50197, 55664, 56560, 57368, 69286, 69580, 71710, 79184, 96040, 97412, 98980, 100394, 114736, 121765, 138572, 139160, 143420, 170471, 173215, 192080, 194824, 197960, 200788, 242501, 243530, 250985, 277144, 278320, 286840, 340942, 346430, 351379, 389648, 395920, 401576, 485002, 487060, 501970, 554288, 573680, 681884, 692860, 702758, 803152, 852355, 970004, 974120, 1003940, 1212505, 1363768, 1385720, 1405516, 1704710, 1756895, 1940008, 1948240, 2007880, 2425010, 2459653, 2727536, 2771440, 2811032, 3409420, 3513790, 3880016, 4015760, 4850020, 4919306, 5622064, 6818840, 7027580, 9700040, 9838612, 12298265, 13637680, 14055160, 17217571, 19400080, 19677224, 24596530, 28110320, 34435142, 39354448, 49193060, 68870284, 86087855, 98386120, 137740568, 172175710, 196772240, 275481136, 344351420, 688702840, 1377405680]

約数ペア:

[(1, 1377405680), (2, 688702840), (4, 344351420), (5, 275481136), (7, 196772240), (8, 172175710), (10, 137740568), (14, 98386120), (16, 86087855), (20, 68870284), (28, 49193060), (35, 39354448), (40, 34435142), (49, 28110320), (56, 24596530), (70, 19677224), (71, 19400080), (80, 17217571), (98, 14055160), (101, 13637680), (112, 12298265), (140, 9838612), (142, 9700040), (196, 7027580), (202, 6818840), (245, 5622064), (280, 4919306), (284, 4850020), (343, 4015760), (355, 3880016), (392, 3513790), (404, 3409420), (490, 2811032), (497, 2771440), (505, 2727536), (560, 2459653), (568, 2425010), (686, 2007880), (707, 1948240), (710, 1940008), (784, 1756895), (808, 1704710), (980, 1405516), (994, 1385720), (1010, 1363768), (1136, 1212505), (1372, 1003940), (1414, 974120), (1420, 970004), (1616, 852355), (1715, 803152), (1960, 702758), (1988, 692860), (2020, 681884), (2401, 573680), (2485, 554288), (2744, 501970), (2828, 487060), (2840, 485002), (3430, 401576), (3479, 395920), (3535, 389648), (3920, 351379), (3976, 346430), (4040, 340942), (4802, 286840), (4949, 278320), (4970, 277144), (5488, 250985), (5656, 243530), (5680, 242501), (6860, 200788), (6958, 197960), (7070, 194824), (7171, 192080), (7952, 173215), (8080, 170471), (9604, 143420), (9898, 139160), (9940, 138572), (11312, 121765), (12005, 114736), (13720, 100394), (13916, 98980), (14140, 97412), (14342, 96040), (17395, 79184), (19208, 71710), (19796, 69580), (19880, 69286), (24010, 57368), (24353, 56560), (24745, 55664), (27440, 50197), (27832, 49490), (28280, 48706), (28684, 48020), (34643, 39760), (34790, 39592), (35855, 38416)]