688889460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:710

約数の個数: 192

約数和(自身を含む): 2338560000

約数和(自身を除く): 1649670540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 173, 190, 210, 228, 266, 285, 346, 380, 399, 420, 499, 519, 532, 570, 665, 692, 798, 865, 998, 1038, 1140, 1211, 1330, 1497, 1596, 1730, 1995, 1996, 2076, 2422, 2495, 2595, 2660, 2994, 3287, 3460, 3493, 3633, 3990, 4844, 4990, 5190, 5988, 6055, 6574, 6986, 7266, 7485, 7980, 9481, 9861, 9980, 10380, 10479, 12110, 13148, 13972, 14532, 14970, 16435, 17465, 18165, 18962, 19722, 20958, 23009, 24220, 28443, 29940, 32870, 34930, 36330, 37924, 39444, 41916, 46018, 47405, 49305, 52395, 56886, 65740, 66367, 69027, 69860, 72660, 86327, 92036, 94810, 98610, 104790, 113772, 115045, 132734, 138054, 142215, 172654, 189620, 197220, 199101, 209580, 230090, 258981, 265468, 276108, 284430, 331835, 345135, 345308, 398202, 431635, 460180, 517962, 568860, 604289, 663670, 690270, 796404, 863270, 995505, 1035924, 1208578, 1294905, 1327340, 1380540, 1640213, 1726540, 1812867, 1991010, 2417156, 2589810, 3021445, 3280426, 3625734, 3982020, 4920639, 5179620, 6042890, 6560852, 7251468, 8201065, 9064335, 9841278, 11481491, 12085780, 16402130, 18128670, 19682556, 22962982, 24603195, 32804260, 34444473, 36257340, 45925964, 49206390, 57407455, 68888946, 98412780, 114814910, 137777892, 172222365, 229629820, 344444730, 688889460]

約数ペア:

[(1, 688889460), (2, 344444730), (3, 229629820), (4, 172222365), (5, 137777892), (6, 114814910), (7, 98412780), (10, 68888946), (12, 57407455), (14, 49206390), (15, 45925964), (19, 36257340), (20, 34444473), (21, 32804260), (28, 24603195), (30, 22962982), (35, 19682556), (38, 18128670), (42, 16402130), (57, 12085780), (60, 11481491), (70, 9841278), (76, 9064335), (84, 8201065), (95, 7251468), (105, 6560852), (114, 6042890), (133, 5179620), (140, 4920639), (173, 3982020), (190, 3625734), (210, 3280426), (228, 3021445), (266, 2589810), (285, 2417156), (346, 1991010), (380, 1812867), (399, 1726540), (420, 1640213), (499, 1380540), (519, 1327340), (532, 1294905), (570, 1208578), (665, 1035924), (692, 995505), (798, 863270), (865, 796404), (998, 690270), (1038, 663670), (1140, 604289), (1211, 568860), (1330, 517962), (1497, 460180), (1596, 431635), (1730, 398202), (1995, 345308), (1996, 345135), (2076, 331835), (2422, 284430), (2495, 276108), (2595, 265468), (2660, 258981), (2994, 230090), (3287, 209580), (3460, 199101), (3493, 197220), (3633, 189620), (3990, 172654), (4844, 142215), (4990, 138054), (5190, 132734), (5988, 115045), (6055, 113772), (6574, 104790), (6986, 98610), (7266, 94810), (7485, 92036), (7980, 86327), (9481, 72660), (9861, 69860), (9980, 69027), (10380, 66367), (10479, 65740), (12110, 56886), (13148, 52395), (13972, 49305), (14532, 47405), (14970, 46018), (16435, 41916), (17465, 39444), (18165, 37924), (18962, 36330), (19722, 34930), (20958, 32870), (23009, 29940), (24220, 28443)]