290432420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{854213}}^1$

素因数の和:854239

約数の個数: 24

約数和(自身を含む): 645785784

約数和(自身を除く): 355353364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 854213, 1708426, 3416852, 4271065, 8542130, 14521621, 17084260, 29043242, 58086484, 72608105, 145216210, 290432420]

約数ペア:

[(1, 290432420), (2, 145216210), (4, 72608105), (5, 58086484), (10, 29043242), (17, 17084260), (20, 14521621), (34, 8542130), (68, 4271065), (85, 3416852), (170, 1708426), (340, 854213)]