2780509025

素因数分解:

$5^2\times 7^1\times {\mathrm{2851}}^1\times {\mathrm{5573}}^1$

素因数の和:8441

約数の個数: 24

約数和(自身を含む): 3942467904

約数和(自身を除く): 1161958879

約数列:

[1, 5, 7, 25, 35, 175, 2851, 5573, 14255, 19957, 27865, 39011, 71275, 99785, 139325, 195055, 498925, 975275, 15888623, 79443115, 111220361, 397215575, 556101805, 2780509025]

約数ペア:

[(1, 2780509025), (5, 556101805), (7, 397215575), (25, 111220361), (35, 79443115), (175, 15888623), (2851, 975275), (5573, 498925), (14255, 195055), (19957, 139325), (27865, 99785), (39011, 71275)]