412420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 917784

約数和(自身を除く): 505364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1213, 2426, 4852, 6065, 12130, 20621, 24260, 41242, 82484, 103105, 206210, 412420]

約数ペア:

[(1, 412420), (2, 206210), (4, 103105), (5, 82484), (10, 41242), (17, 24260), (20, 20621), (34, 12130), (68, 6065), (85, 4852), (170, 2426), (340, 1213)]