2718460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 6098400

約数和(自身を除く): 3379940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 109, 116, 145, 172, 215, 218, 290, 430, 436, 545, 580, 860, 1090, 1247, 2180, 2494, 3161, 4687, 4988, 6235, 6322, 9374, 12470, 12644, 15805, 18748, 23435, 24940, 31610, 46870, 63220, 93740, 135923, 271846, 543692, 679615, 1359230, 2718460]

約数ペア:

[(1, 2718460), (2, 1359230), (4, 679615), (5, 543692), (10, 271846), (20, 135923), (29, 93740), (43, 63220), (58, 46870), (86, 31610), (109, 24940), (116, 23435), (145, 18748), (172, 15805), (215, 12644), (218, 12470), (290, 9374), (430, 6322), (436, 6235), (545, 4988), (580, 4687), (860, 3161), (1090, 2494), (1247, 2180)]