399257712

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{919}}^1$

素因数の和:1371

約数の個数: 120

約数和(自身を含む): 1281346560

約数和(自身を除く): 882088848

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 431, 504, 862, 919, 1008, 1293, 1724, 1838, 2586, 2757, 3017, 3448, 3676, 3879, 5172, 5514, 6034, 6433, 6896, 7352, 7758, 8271, 9051, 10344, 11028, 12068, 12866, 14704, 15516, 16542, 18102, 19299, 20688, 22056, 24136, 25732, 27153, 31032, 33084, 36204, 38598, 44112, 48272, 51464, 54306, 57897, 62064, 66168, 72408, 77196, 102928, 108612, 115794, 132336, 144816, 154392, 217224, 231588, 308784, 396089, 434448, 463176, 792178, 926352, 1188267, 1584356, 2376534, 2772623, 3168712, 3564801, 4753068, 5545246, 6337424, 7129602, 8317869, 9506136, 11090492, 14259204, 16635738, 19012272, 22180984, 24953607, 28518408, 33271476, 44361968, 49907214, 57036816, 66542952, 99814428, 133085904, 199628856, 399257712]

約数ペア:

[(1, 399257712), (2, 199628856), (3, 133085904), (4, 99814428), (6, 66542952), (7, 57036816), (8, 49907214), (9, 44361968), (12, 33271476), (14, 28518408), (16, 24953607), (18, 22180984), (21, 19012272), (24, 16635738), (28, 14259204), (36, 11090492), (42, 9506136), (48, 8317869), (56, 7129602), (63, 6337424), (72, 5545246), (84, 4753068), (112, 3564801), (126, 3168712), (144, 2772623), (168, 2376534), (252, 1584356), (336, 1188267), (431, 926352), (504, 792178), (862, 463176), (919, 434448), (1008, 396089), (1293, 308784), (1724, 231588), (1838, 217224), (2586, 154392), (2757, 144816), (3017, 132336), (3448, 115794), (3676, 108612), (3879, 102928), (5172, 77196), (5514, 72408), (6034, 66168), (6433, 62064), (6896, 57897), (7352, 54306), (7758, 51464), (8271, 48272), (9051, 44112), (10344, 38598), (11028, 36204), (12068, 33084), (12866, 31032), (14704, 27153), (15516, 25732), (16542, 24136), (18102, 22056), (19299, 20688)]