30124180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 65640960

約数和(自身を除く): 35516780

約数列:

[1, 2, 4, 5, 10, 20, 47, 73, 94, 146, 188, 235, 292, 365, 439, 470, 730, 878, 940, 1460, 1756, 2195, 3431, 4390, 6862, 8780, 13724, 17155, 20633, 32047, 34310, 41266, 64094, 68620, 82532, 103165, 128188, 160235, 206330, 320470, 412660, 640940, 1506209, 3012418, 6024836, 7531045, 15062090, 30124180]

約数ペア:

[(1, 30124180), (2, 15062090), (4, 7531045), (5, 6024836), (10, 3012418), (20, 1506209), (47, 640940), (73, 412660), (94, 320470), (146, 206330), (188, 160235), (235, 128188), (292, 103165), (365, 82532), (439, 68620), (470, 64094), (730, 41266), (878, 34310), (940, 32047), (1460, 20633), (1756, 17155), (2195, 13724), (3431, 8780), (4390, 6862)]