285936260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{840989}}^1$

素因数の和:841015

約数の個数: 24

約数和(自身を含む): 635788440

約数和(自身を除く): 349852180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 840989, 1681978, 3363956, 4204945, 8409890, 14296813, 16819780, 28593626, 57187252, 71484065, 142968130, 285936260]

約数ペア:

[(1, 285936260), (2, 142968130), (4, 71484065), (5, 57187252), (10, 28593626), (17, 16819780), (20, 14296813), (34, 8409890), (68, 4204945), (85, 3363956), (170, 1681978), (340, 840989)]