205820912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 447828480

約数和(自身を除く): 242007568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 113, 131, 158, 176, 226, 262, 316, 452, 524, 632, 869, 904, 1048, 1243, 1264, 1441, 1738, 1808, 2096, 2486, 2882, 3476, 4972, 5764, 6952, 8927, 9944, 10349, 11528, 13904, 14803, 17854, 19888, 20698, 23056, 29606, 35708, 41396, 59212, 71416, 82792, 98197, 113839, 118424, 142832, 162833, 165584, 196394, 227678, 236848, 325666, 392788, 455356, 651332, 785576, 910712, 1169437, 1302664, 1571152, 1821424, 2338874, 2605328, 4677748, 9355496, 12863807, 18710992, 25727614, 51455228, 102910456, 205820912]

約数ペア:

[(1, 205820912), (2, 102910456), (4, 51455228), (8, 25727614), (11, 18710992), (16, 12863807), (22, 9355496), (44, 4677748), (79, 2605328), (88, 2338874), (113, 1821424), (131, 1571152), (158, 1302664), (176, 1169437), (226, 910712), (262, 785576), (316, 651332), (452, 455356), (524, 392788), (632, 325666), (869, 236848), (904, 227678), (1048, 196394), (1243, 165584), (1264, 162833), (1441, 142832), (1738, 118424), (1808, 113839), (2096, 98197), (2486, 82792), (2882, 71416), (3476, 59212), (4972, 41396), (5764, 35708), (6952, 29606), (8927, 23056), (9944, 20698), (10349, 19888), (11528, 17854), (13904, 14803)]