4393790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 8316000

約数和(自身を除く): 3922210

約数列:

[1, 2, 5, 10, 29, 58, 109, 139, 145, 218, 278, 290, 545, 695, 1090, 1390, 3161, 4031, 6322, 8062, 15151, 15805, 20155, 30302, 31610, 40310, 75755, 151510, 439379, 878758, 2196895, 4393790]

約数ペア:

[(1, 4393790), (2, 2196895), (5, 878758), (10, 439379), (29, 151510), (58, 75755), (109, 40310), (139, 31610), (145, 30302), (218, 20155), (278, 15805), (290, 15151), (545, 8062), (695, 6322), (1090, 4031), (1390, 3161)]