493412420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1451213}}^1$

素因数の和:1451239

約数の個数: 24

約数和(自身を含む): 1097117784

約数和(自身を除く): 603705364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1451213, 2902426, 5804852, 7256065, 14512130, 24670621, 29024260, 49341242, 98682484, 123353105, 246706210, 493412420]

約数ペア:

[(1, 493412420), (2, 246706210), (4, 123353105), (5, 98682484), (10, 49341242), (17, 29024260), (20, 24670621), (34, 14512130), (68, 7256065), (85, 5804852), (170, 2902426), (340, 1451213)]