130723180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{133391}}^1$

素因数の和:133414

約数の個数: 36

約数和(自身を含む): 319340448

約数和(自身を除く): 188617268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 133391, 266782, 533564, 666955, 933737, 1333910, 1867474, 2667820, 3734948, 4668685, 6536159, 9337370, 13072318, 18674740, 26144636, 32680795, 65361590, 130723180]

約数ペア:

[(1, 130723180), (2, 65361590), (4, 32680795), (5, 26144636), (7, 18674740), (10, 13072318), (14, 9337370), (20, 6536159), (28, 4668685), (35, 3734948), (49, 2667820), (70, 1867474), (98, 1333910), (140, 933737), (196, 666955), (245, 533564), (490, 266782), (980, 133391)]