207320440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{304883}}^1$

素因数の和:304911

約数の個数: 32

約数和(自身を含む): 493912080

約数和(自身を除く): 286591640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 304883, 609766, 1219532, 1524415, 2439064, 3048830, 5183011, 6097660, 10366022, 12195320, 20732044, 25915055, 41464088, 51830110, 103660220, 207320440]

約数ペア:

[(1, 207320440), (2, 103660220), (4, 51830110), (5, 41464088), (8, 25915055), (10, 20732044), (17, 12195320), (20, 10366022), (34, 6097660), (40, 5183011), (68, 3048830), (85, 2439064), (136, 1524415), (170, 1219532), (340, 609766), (680, 304883)]