204428774

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 72

約数和(自身を含む): 372378720

約数和(自身を除く): 167949946

約数列:

[1, 2, 11, 17, 22, 34, 37, 74, 79, 121, 158, 187, 242, 289, 374, 407, 578, 629, 814, 869, 1258, 1343, 1738, 2057, 2686, 2923, 3179, 4114, 4477, 5846, 6358, 6919, 8954, 9559, 10693, 13838, 14773, 19118, 21386, 22831, 29546, 32153, 34969, 45662, 49691, 64306, 69938, 76109, 99382, 117623, 152218, 162503, 235246, 251141, 325006, 353683, 502282, 546601, 707366, 844747, 1093202, 1293853, 1689494, 2587706, 2762551, 5525102, 6012611, 9292217, 12025222, 18584434, 102214387, 204428774]

約数ペア:

[(1, 204428774), (2, 102214387), (11, 18584434), (17, 12025222), (22, 9292217), (34, 6012611), (37, 5525102), (74, 2762551), (79, 2587706), (121, 1689494), (158, 1293853), (187, 1093202), (242, 844747), (289, 707366), (374, 546601), (407, 502282), (578, 353683), (629, 325006), (814, 251141), (869, 235246), (1258, 162503), (1343, 152218), (1738, 117623), (2057, 99382), (2686, 76109), (2923, 69938), (3179, 64306), (4114, 49691), (4477, 45662), (5846, 34969), (6358, 32153), (6919, 29546), (8954, 22831), (9559, 21386), (10693, 19118), (13838, 14773)]