204311240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1693}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 526901760

約数和(自身を除く): 322590520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 862, 1693, 1724, 2155, 3017, 3386, 3448, 4310, 6034, 6772, 8465, 8620, 11851, 12068, 13544, 15085, 16930, 17240, 23702, 24136, 30170, 33860, 47404, 59255, 60340, 67720, 94808, 118510, 120680, 237020, 474040, 729683, 1459366, 2918732, 3648415, 5107781, 5837464, 7296830, 10215562, 14593660, 20431124, 25538905, 29187320, 40862248, 51077810, 102155620, 204311240]

約数ペア:

[(1, 204311240), (2, 102155620), (4, 51077810), (5, 40862248), (7, 29187320), (8, 25538905), (10, 20431124), (14, 14593660), (20, 10215562), (28, 7296830), (35, 5837464), (40, 5107781), (56, 3648415), (70, 2918732), (140, 1459366), (280, 729683), (431, 474040), (862, 237020), (1693, 120680), (1724, 118510), (2155, 94808), (3017, 67720), (3386, 60340), (3448, 59255), (4310, 47404), (6034, 33860), (6772, 30170), (8465, 24136), (8620, 23702), (11851, 17240), (12068, 16930), (13544, 15085)]