28602740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 62388480

約数和(自身を除く): 33785740

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 421, 430, 790, 842, 860, 1580, 1684, 2105, 3397, 4210, 6794, 8420, 13588, 16985, 18103, 33259, 33970, 36206, 66518, 67940, 72412, 90515, 133036, 166295, 181030, 332590, 362060, 665180, 1430137, 2860274, 5720548, 7150685, 14301370, 28602740]

約数ペア:

[(1, 28602740), (2, 14301370), (4, 7150685), (5, 5720548), (10, 2860274), (20, 1430137), (43, 665180), (79, 362060), (86, 332590), (158, 181030), (172, 166295), (215, 133036), (316, 90515), (395, 72412), (421, 67940), (430, 66518), (790, 36206), (842, 33970), (860, 33259), (1580, 18103), (1684, 16985), (2105, 13588), (3397, 8420), (4210, 6794)]