1738586440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{421987}}^1$

素因数の和:422101

約数の個数: 32

約数和(自身を含む): 3949807680

約数和(自身を除く): 2211221240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 421987, 843974, 1687948, 2109935, 3375896, 4219870, 8439740, 16879480, 43464661, 86929322, 173858644, 217323305, 347717288, 434646610, 869293220, 1738586440]

約数ペア:

[(1, 1738586440), (2, 869293220), (4, 434646610), (5, 347717288), (8, 217323305), (10, 173858644), (20, 86929322), (40, 43464661), (103, 16879480), (206, 8439740), (412, 4219870), (515, 3375896), (824, 2109935), (1030, 1687948), (2060, 843974), (4120, 421987)]