221359900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2063}}^1$

素因数の和:2143

約数の個数: 72

約数和(自身を含む): 510592320

約数和(自身を除く): 289232420

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 37, 50, 58, 74, 100, 116, 145, 148, 185, 290, 370, 580, 725, 740, 925, 1073, 1450, 1850, 2063, 2146, 2900, 3700, 4126, 4292, 5365, 8252, 10315, 10730, 20630, 21460, 26825, 41260, 51575, 53650, 59827, 76331, 103150, 107300, 119654, 152662, 206300, 239308, 299135, 305324, 381655, 598270, 763310, 1196540, 1495675, 1526620, 1908275, 2213599, 2991350, 3816550, 4427198, 5982700, 7633100, 8854396, 11067995, 22135990, 44271980, 55339975, 110679950, 221359900]

約数ペア:

[(1, 221359900), (2, 110679950), (4, 55339975), (5, 44271980), (10, 22135990), (20, 11067995), (25, 8854396), (29, 7633100), (37, 5982700), (50, 4427198), (58, 3816550), (74, 2991350), (100, 2213599), (116, 1908275), (145, 1526620), (148, 1495675), (185, 1196540), (290, 763310), (370, 598270), (580, 381655), (725, 305324), (740, 299135), (925, 239308), (1073, 206300), (1450, 152662), (1850, 119654), (2063, 107300), (2146, 103150), (2900, 76331), (3700, 59827), (4126, 53650), (4292, 51575), (5365, 41260), (8252, 26825), (10315, 21460), (10730, 20630)]