285748204

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 606735360

約数和(自身を除く): 320987156

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 131, 196, 217, 262, 359, 434, 524, 718, 868, 917, 1436, 1519, 1834, 2513, 3038, 3668, 4061, 5026, 6076, 6419, 8122, 10052, 11129, 12838, 16244, 17591, 22258, 25676, 28427, 35182, 44516, 47029, 56854, 70364, 77903, 94058, 113708, 155806, 188116, 198989, 311612, 329203, 397978, 545321, 658406, 795956, 1090642, 1316812, 1457899, 2181284, 2304421, 2915798, 4608842, 5831596, 9217684, 10205293, 20410586, 40821172, 71437051, 142874102, 285748204]

約数ペア:

[(1, 285748204), (2, 142874102), (4, 71437051), (7, 40821172), (14, 20410586), (28, 10205293), (31, 9217684), (49, 5831596), (62, 4608842), (98, 2915798), (124, 2304421), (131, 2181284), (196, 1457899), (217, 1316812), (262, 1090642), (359, 795956), (434, 658406), (524, 545321), (718, 397978), (868, 329203), (917, 311612), (1436, 198989), (1519, 188116), (1834, 155806), (2513, 113708), (3038, 94058), (3668, 77903), (4061, 70364), (5026, 56854), (6076, 47029), (6419, 44516), (8122, 35182), (10052, 28427), (11129, 25676), (12838, 22258), (16244, 17591)]