290387680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1187}}^1$

素因数の和:1352

約数の個数: 96

約数和(自身を含む): 754427520

約数和(自身を除く): 464039840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 139, 160, 176, 220, 278, 352, 440, 556, 695, 880, 1112, 1187, 1390, 1529, 1760, 2224, 2374, 2780, 3058, 4448, 4748, 5560, 5935, 6116, 7645, 9496, 11120, 11870, 12232, 13057, 15290, 18992, 22240, 23740, 24464, 26114, 30580, 37984, 47480, 48928, 52228, 61160, 65285, 94960, 104456, 122320, 130570, 164993, 189920, 208912, 244640, 261140, 329986, 417824, 522280, 659972, 824965, 1044560, 1319944, 1649930, 1814923, 2089120, 2639888, 3299860, 3629846, 5279776, 6599720, 7259692, 9074615, 13199440, 14519384, 18149230, 26398880, 29038768, 36298460, 58077536, 72596920, 145193840, 290387680]

約数ペア:

[(1, 290387680), (2, 145193840), (4, 72596920), (5, 58077536), (8, 36298460), (10, 29038768), (11, 26398880), (16, 18149230), (20, 14519384), (22, 13199440), (32, 9074615), (40, 7259692), (44, 6599720), (55, 5279776), (80, 3629846), (88, 3299860), (110, 2639888), (139, 2089120), (160, 1814923), (176, 1649930), (220, 1319944), (278, 1044560), (352, 824965), (440, 659972), (556, 522280), (695, 417824), (880, 329986), (1112, 261140), (1187, 244640), (1390, 208912), (1529, 189920), (1760, 164993), (2224, 130570), (2374, 122320), (2780, 104456), (3058, 94960), (4448, 65285), (4748, 61160), (5560, 52228), (5935, 48928), (6116, 47480), (7645, 37984), (9496, 30580), (11120, 26114), (11870, 24464), (12232, 23740), (13057, 22240), (15290, 18992)]