28998620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2011}}^1$

素因数の和:2130

約数の個数: 48

約数和(自身を含む): 70307328

約数和(自身を除く): 41308708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2011, 2060, 2884, 3605, 4022, 7210, 8044, 10055, 14077, 14420, 20110, 28154, 40220, 56308, 70385, 140770, 207133, 281540, 414266, 828532, 1035665, 1449931, 2071330, 2899862, 4142660, 5799724, 7249655, 14499310, 28998620]

約数ペア:

[(1, 28998620), (2, 14499310), (4, 7249655), (5, 5799724), (7, 4142660), (10, 2899862), (14, 2071330), (20, 1449931), (28, 1035665), (35, 828532), (70, 414266), (103, 281540), (140, 207133), (206, 140770), (412, 70385), (515, 56308), (721, 40220), (1030, 28154), (1442, 20110), (2011, 14420), (2060, 14077), (2884, 10055), (3605, 8044), (4022, 7210)]