2018783525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1553}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 2844192960

約数和(自身を除く): 825409435

約数列:

[1, 5, 11, 25, 29, 55, 145, 163, 275, 319, 725, 815, 1553, 1595, 1793, 4075, 4727, 7765, 7975, 8965, 17083, 23635, 38825, 44825, 45037, 51997, 85415, 118175, 225185, 253139, 259985, 427075, 495407, 1125925, 1265695, 1299925, 2477035, 2784529, 6328475, 7341031, 12385175, 13922645, 36705155, 69613225, 80751341, 183525775, 403756705, 2018783525]

約数ペア:

[(1, 2018783525), (5, 403756705), (11, 183525775), (25, 80751341), (29, 69613225), (55, 36705155), (145, 13922645), (163, 12385175), (275, 7341031), (319, 6328475), (725, 2784529), (815, 2477035), (1553, 1299925), (1595, 1265695), (1793, 1125925), (4075, 495407), (4727, 427075), (7765, 259985), (7975, 253139), (8965, 225185), (17083, 118175), (23635, 85415), (38825, 51997), (44825, 45037)]