138359620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{2293}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 332978688

約数和(自身を除く): 194619068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1724, 2155, 2293, 3017, 4310, 4586, 6034, 8620, 9172, 11465, 12068, 15085, 16051, 22930, 30170, 32102, 45860, 60340, 64204, 80255, 160510, 321020, 988283, 1976566, 3953132, 4941415, 6917981, 9882830, 13835962, 19765660, 27671924, 34589905, 69179810, 138359620]

約数ペア:

[(1, 138359620), (2, 69179810), (4, 34589905), (5, 27671924), (7, 19765660), (10, 13835962), (14, 9882830), (20, 6917981), (28, 4941415), (35, 3953132), (70, 1976566), (140, 988283), (431, 321020), (862, 160510), (1724, 80255), (2155, 64204), (2293, 60340), (3017, 45860), (4310, 32102), (4586, 30170), (6034, 22930), (8620, 16051), (9172, 15085), (11465, 12068)]