187302020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 399893760

約数和(自身を除く): 212591740

約数列:

[1, 2, 4, 5, 10, 20, 113, 179, 226, 358, 452, 463, 565, 716, 895, 926, 1130, 1790, 1852, 2260, 2315, 3580, 4630, 9260, 20227, 40454, 52319, 80908, 82877, 101135, 104638, 165754, 202270, 209276, 261595, 331508, 404540, 414385, 523190, 828770, 1046380, 1657540, 9365101, 18730202, 37460404, 46825505, 93651010, 187302020]

約数ペア:

[(1, 187302020), (2, 93651010), (4, 46825505), (5, 37460404), (10, 18730202), (20, 9365101), (113, 1657540), (179, 1046380), (226, 828770), (358, 523190), (452, 414385), (463, 404540), (565, 331508), (716, 261595), (895, 209276), (926, 202270), (1130, 165754), (1790, 104638), (1852, 101135), (2260, 82877), (2315, 80908), (3580, 52319), (4630, 40454), (9260, 20227)]