89981830

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 164736000

約数和(自身を除く): 74754170

約数列:

[1, 2, 5, 10, 103, 199, 206, 398, 439, 515, 878, 995, 1030, 1990, 2195, 4390, 20497, 40994, 45217, 87361, 90434, 102485, 174722, 204970, 226085, 436805, 452170, 873610, 8998183, 17996366, 44990915, 89981830]

約数ペア:

[(1, 89981830), (2, 44990915), (5, 17996366), (10, 8998183), (103, 873610), (199, 452170), (206, 436805), (398, 226085), (439, 204970), (515, 174722), (878, 102485), (995, 90434), (1030, 87361), (1990, 45217), (2195, 40994), (4390, 20497)]