20100151918

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{2351}}^1$

素因数の和:2499

約数の個数: 96

約数和(自身を含む): 39039436800

約数和(自身を除く): 18939284882

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 103, 121, 154, 206, 242, 343, 539, 686, 721, 847, 1078, 1133, 1442, 1694, 2266, 2351, 3773, 4702, 5047, 5929, 7546, 7931, 10094, 11858, 12463, 15862, 16457, 24926, 25861, 32914, 35329, 41503, 51722, 55517, 70658, 83006, 87241, 111034, 115199, 174482, 181027, 230398, 242153, 284471, 362054, 388619, 484306, 568942, 610687, 777238, 806393, 1221374, 1267189, 1612786, 1695071, 1991297, 2534378, 2663683, 3390142, 3982594, 4274809, 5327366, 8549618, 8870323, 11865497, 13939079, 17740646, 18645781, 23730994, 27878158, 29300513, 37291562, 58601026, 83058479, 97573553, 130520467, 166116958, 195147106, 205103591, 261040934, 410207182, 913643269, 1435725137, 1827286538, 2871450274, 10050075959, 20100151918]

約数ペア:

[(1, 20100151918), (2, 10050075959), (7, 2871450274), (11, 1827286538), (14, 1435725137), (22, 913643269), (49, 410207182), (77, 261040934), (98, 205103591), (103, 195147106), (121, 166116958), (154, 130520467), (206, 97573553), (242, 83058479), (343, 58601026), (539, 37291562), (686, 29300513), (721, 27878158), (847, 23730994), (1078, 18645781), (1133, 17740646), (1442, 13939079), (1694, 11865497), (2266, 8870323), (2351, 8549618), (3773, 5327366), (4702, 4274809), (5047, 3982594), (5929, 3390142), (7546, 2663683), (7931, 2534378), (10094, 1991297), (11858, 1695071), (12463, 1612786), (15862, 1267189), (16457, 1221374), (24926, 806393), (25861, 777238), (32914, 610687), (35329, 568942), (41503, 484306), (51722, 388619), (55517, 362054), (70658, 284471), (83006, 242153), (87241, 230398), (111034, 181027), (115199, 174482)]