71780296

素因数分解:

$2^3\times 7^4\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 162850140

約数和(自身を除く): 91069844

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 101, 148, 196, 202, 259, 296, 343, 392, 404, 518, 686, 707, 808, 1036, 1372, 1414, 1813, 2072, 2401, 2744, 2828, 3626, 3737, 4802, 4949, 5656, 7252, 7474, 9604, 9898, 12691, 14504, 14948, 19208, 19796, 25382, 26159, 29896, 34643, 39592, 50764, 52318, 69286, 88837, 101528, 104636, 138572, 177674, 183113, 209272, 242501, 277144, 355348, 366226, 485002, 710696, 732452, 970004, 1281791, 1464904, 1940008, 2563582, 5127164, 8972537, 10254328, 17945074, 35890148, 71780296]

約数ペア:

[(1, 71780296), (2, 35890148), (4, 17945074), (7, 10254328), (8, 8972537), (14, 5127164), (28, 2563582), (37, 1940008), (49, 1464904), (56, 1281791), (74, 970004), (98, 732452), (101, 710696), (148, 485002), (196, 366226), (202, 355348), (259, 277144), (296, 242501), (343, 209272), (392, 183113), (404, 177674), (518, 138572), (686, 104636), (707, 101528), (808, 88837), (1036, 69286), (1372, 52318), (1414, 50764), (1813, 39592), (2072, 34643), (2401, 29896), (2744, 26159), (2828, 25382), (3626, 19796), (3737, 19208), (4802, 14948), (4949, 14504), (5656, 12691), (7252, 9898), (7474, 9604)]