204781136

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 469696128

約数和(自身を除く): 264914992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 101, 112, 172, 202, 301, 344, 404, 421, 602, 688, 707, 808, 842, 1204, 1414, 1616, 1684, 2408, 2828, 2947, 3368, 4343, 4816, 5656, 5894, 6736, 8686, 11312, 11788, 17372, 18103, 23576, 30401, 34744, 36206, 42521, 47152, 60802, 69488, 72412, 85042, 121604, 126721, 144824, 170084, 243208, 253442, 289648, 297647, 340168, 486416, 506884, 595294, 680336, 1013768, 1190588, 1828403, 2027536, 2381176, 3656806, 4762352, 7313612, 12798821, 14627224, 25597642, 29254448, 51195284, 102390568, 204781136]

約数ペア:

[(1, 204781136), (2, 102390568), (4, 51195284), (7, 29254448), (8, 25597642), (14, 14627224), (16, 12798821), (28, 7313612), (43, 4762352), (56, 3656806), (86, 2381176), (101, 2027536), (112, 1828403), (172, 1190588), (202, 1013768), (301, 680336), (344, 595294), (404, 506884), (421, 486416), (602, 340168), (688, 297647), (707, 289648), (808, 253442), (842, 243208), (1204, 170084), (1414, 144824), (1616, 126721), (1684, 121604), (2408, 85042), (2828, 72412), (2947, 69488), (3368, 60802), (4343, 47152), (4816, 42521), (5656, 36206), (5894, 34744), (6736, 30401), (8686, 23576), (11312, 18103), (11788, 17372)]