125523820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 269680320

約数和(自身を除く): 144156500

約数列:

[1, 2, 4, 5, 10, 20, 89, 97, 178, 194, 356, 388, 445, 485, 727, 890, 970, 1454, 1780, 1940, 2908, 3635, 7270, 8633, 14540, 17266, 34532, 43165, 64703, 70519, 86330, 129406, 141038, 172660, 258812, 282076, 323515, 352595, 647030, 705190, 1294060, 1410380, 6276191, 12552382, 25104764, 31380955, 62761910, 125523820]

約数ペア:

[(1, 125523820), (2, 62761910), (4, 31380955), (5, 25104764), (10, 12552382), (20, 6276191), (89, 1410380), (97, 1294060), (178, 705190), (194, 647030), (356, 352595), (388, 323515), (445, 282076), (485, 258812), (727, 172660), (890, 141038), (970, 129406), (1454, 86330), (1780, 70519), (1940, 64703), (2908, 43165), (3635, 34532), (7270, 17266), (8633, 14540)]