201717580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5443}}^1$

素因数の和:5578

約数の個数: 48

約数和(自身を含む): 452723040

約数和(自身を除く): 251005460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 3706, 5443, 7412, 9265, 10886, 18530, 21772, 27215, 37060, 54430, 92531, 108860, 185062, 370124, 462655, 593287, 925310, 1186574, 1850620, 2373148, 2966435, 5932870, 10085879, 11865740, 20171758, 40343516, 50429395, 100858790, 201717580]

約数ペア:

[(1, 201717580), (2, 100858790), (4, 50429395), (5, 40343516), (10, 20171758), (17, 11865740), (20, 10085879), (34, 5932870), (68, 2966435), (85, 2373148), (109, 1850620), (170, 1186574), (218, 925310), (340, 593287), (436, 462655), (545, 370124), (1090, 185062), (1853, 108860), (2180, 92531), (3706, 54430), (5443, 37060), (7412, 27215), (9265, 21772), (10886, 18530)]