290271856

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 658672128

約数和(自身を除く): 368400272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 173, 211, 284, 346, 422, 497, 568, 692, 844, 994, 1136, 1211, 1384, 1477, 1688, 1988, 2422, 2768, 2954, 3376, 3976, 4844, 5908, 7952, 9688, 11816, 12283, 14981, 19376, 23632, 24566, 29962, 36503, 49132, 59924, 73006, 85981, 98264, 104867, 119848, 146012, 171962, 196528, 209734, 239696, 255521, 292024, 343924, 419468, 511042, 584048, 687848, 838936, 1022084, 1375696, 1677872, 2044168, 2591713, 4088336, 5183426, 10366852, 18141991, 20733704, 36283982, 41467408, 72567964, 145135928, 290271856]

約数ペア:

[(1, 290271856), (2, 145135928), (4, 72567964), (7, 41467408), (8, 36283982), (14, 20733704), (16, 18141991), (28, 10366852), (56, 5183426), (71, 4088336), (112, 2591713), (142, 2044168), (173, 1677872), (211, 1375696), (284, 1022084), (346, 838936), (422, 687848), (497, 584048), (568, 511042), (692, 419468), (844, 343924), (994, 292024), (1136, 255521), (1211, 239696), (1384, 209734), (1477, 196528), (1688, 171962), (1988, 146012), (2422, 119848), (2768, 104867), (2954, 98264), (3376, 85981), (3976, 73006), (4844, 59924), (5908, 49132), (7952, 36503), (9688, 29962), (11816, 24566), (12283, 23632), (14981, 19376)]