1397304140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{984017}}^1$

素因数の和:984097

約数の個数: 24

約数和(自身を含む): 2975670432

約数和(自身を除く): 1578366292

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 984017, 1968034, 3936068, 4920085, 9840170, 19680340, 69865207, 139730414, 279460828, 349326035, 698652070, 1397304140]

約数ペア:

[(1, 1397304140), (2, 698652070), (4, 349326035), (5, 279460828), (10, 139730414), (20, 69865207), (71, 19680340), (142, 9840170), (284, 4920085), (355, 3936068), (710, 1968034), (1420, 984017)]