30398620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31019}}^1$

素因数の和:31042

約数の個数: 36

約数和(自身を含む): 74261880

約数和(自身を除く): 43863260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31019, 62038, 124076, 155095, 217133, 310190, 434266, 620380, 868532, 1085665, 1519931, 2171330, 3039862, 4342660, 6079724, 7599655, 15199310, 30398620]

約数ペア:

[(1, 30398620), (2, 15199310), (4, 7599655), (5, 6079724), (7, 4342660), (10, 3039862), (14, 2171330), (20, 1519931), (28, 1085665), (35, 868532), (49, 620380), (70, 434266), (98, 310190), (140, 217133), (196, 155095), (245, 124076), (490, 62038), (980, 31019)]