258070960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{460841}}^1$

素因数の和:460861

約数の個数: 40

約数和(自身を含む): 685732896

約数和(自身を除く): 427661936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 460841, 921682, 1843364, 2304205, 3225887, 3686728, 4608410, 6451774, 7373456, 9216820, 12903548, 16129435, 18433640, 25807096, 32258870, 36867280, 51614192, 64517740, 129035480, 258070960]

約数ペア:

[(1, 258070960), (2, 129035480), (4, 64517740), (5, 51614192), (7, 36867280), (8, 32258870), (10, 25807096), (14, 18433640), (16, 16129435), (20, 12903548), (28, 9216820), (35, 7373456), (40, 6451774), (56, 4608410), (70, 3686728), (80, 3225887), (112, 2304205), (140, 1843364), (280, 921682), (560, 460841)]