285568816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 616085568

約数和(自身を除く): 330516752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 71, 104, 122, 142, 208, 244, 284, 317, 488, 568, 634, 793, 923, 976, 1136, 1268, 1586, 1846, 2536, 3172, 3692, 4121, 4331, 5072, 6344, 7384, 8242, 8662, 12688, 14768, 16484, 17324, 19337, 22507, 32968, 34648, 38674, 45014, 56303, 65936, 69296, 77348, 90028, 112606, 154696, 180056, 225212, 251381, 292591, 309392, 360112, 450424, 502762, 585182, 900848, 1005524, 1170364, 1372927, 2011048, 2340728, 2745854, 4022096, 4681456, 5491708, 10983416, 17848051, 21966832, 35696102, 71392204, 142784408, 285568816]

約数ペア:

[(1, 285568816), (2, 142784408), (4, 71392204), (8, 35696102), (13, 21966832), (16, 17848051), (26, 10983416), (52, 5491708), (61, 4681456), (71, 4022096), (104, 2745854), (122, 2340728), (142, 2011048), (208, 1372927), (244, 1170364), (284, 1005524), (317, 900848), (488, 585182), (568, 502762), (634, 450424), (793, 360112), (923, 309392), (976, 292591), (1136, 251381), (1268, 225212), (1586, 180056), (1846, 154696), (2536, 112606), (3172, 90028), (3692, 77348), (4121, 69296), (4331, 65936), (5072, 56303), (6344, 45014), (7384, 38674), (8242, 34648), (8662, 32968), (12688, 22507), (14768, 19337), (16484, 17324)]