311947420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{1493}}^1$

素因数の和:1870

約数の個数: 48

約数和(自身を含む): 678682368

約数和(自身を除く): 366734948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 337, 620, 674, 1348, 1493, 1685, 2986, 3370, 5972, 6740, 7465, 10447, 14930, 20894, 29860, 41788, 46283, 52235, 92566, 104470, 185132, 208940, 231415, 462830, 503141, 925660, 1006282, 2012564, 2515705, 5031410, 10062820, 15597371, 31194742, 62389484, 77986855, 155973710, 311947420]

約数ペア:

[(1, 311947420), (2, 155973710), (4, 77986855), (5, 62389484), (10, 31194742), (20, 15597371), (31, 10062820), (62, 5031410), (124, 2515705), (155, 2012564), (310, 1006282), (337, 925660), (620, 503141), (674, 462830), (1348, 231415), (1493, 208940), (1685, 185132), (2986, 104470), (3370, 92566), (5972, 52235), (6740, 46283), (7465, 41788), (10447, 29860), (14930, 20894)]