258454960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1103}}^1$

素因数の和:1246

約数の個数: 80

約数和(自身を含む): 628352640

約数和(自身を除く): 369897680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 101, 116, 145, 202, 232, 290, 404, 464, 505, 580, 808, 1010, 1103, 1160, 1616, 2020, 2206, 2320, 2929, 4040, 4412, 5515, 5858, 8080, 8824, 11030, 11716, 14645, 17648, 22060, 23432, 29290, 31987, 44120, 46864, 58580, 63974, 88240, 111403, 117160, 127948, 159935, 222806, 234320, 255896, 319870, 445612, 511792, 557015, 639740, 891224, 1114030, 1279480, 1782448, 2228060, 2558960, 3230687, 4456120, 6461374, 8912240, 12922748, 16153435, 25845496, 32306870, 51690992, 64613740, 129227480, 258454960]

約数ペア:

[(1, 258454960), (2, 129227480), (4, 64613740), (5, 51690992), (8, 32306870), (10, 25845496), (16, 16153435), (20, 12922748), (29, 8912240), (40, 6461374), (58, 4456120), (80, 3230687), (101, 2558960), (116, 2228060), (145, 1782448), (202, 1279480), (232, 1114030), (290, 891224), (404, 639740), (464, 557015), (505, 511792), (580, 445612), (808, 319870), (1010, 255896), (1103, 234320), (1160, 222806), (1616, 159935), (2020, 127948), (2206, 117160), (2320, 111403), (2929, 88240), (4040, 63974), (4412, 58580), (5515, 46864), (5858, 44120), (8080, 31987), (8824, 29290), (11030, 23432), (11716, 22060), (14645, 17648)]