2108274980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2151301}}^1$

素因数の和:2151324

約数の個数: 36

約数和(自身を含む): 5150216988

約数和(自身を除く): 3041942008

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2151301, 4302602, 8605204, 10756505, 15059107, 21513010, 30118214, 43026020, 60236428, 75295535, 105413749, 150591070, 210827498, 301182140, 421654996, 527068745, 1054137490, 2108274980]

約数ペア:

[(1, 2108274980), (2, 1054137490), (4, 527068745), (5, 421654996), (7, 301182140), (10, 210827498), (14, 150591070), (20, 105413749), (28, 75295535), (35, 60236428), (49, 43026020), (70, 30118214), (98, 21513010), (140, 15059107), (196, 10756505), (245, 8605204), (490, 4302602), (980, 2151301)]