28455140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8837}}^1$

素因数の和:8876

約数の個数: 48

約数和(自身を含む): 71269632

約数和(自身を除く): 42814492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8837, 17674, 35348, 44185, 61859, 88370, 123718, 176740, 203251, 247436, 309295, 406502, 618590, 813004, 1016255, 1237180, 1422757, 2032510, 2845514, 4065020, 5691028, 7113785, 14227570, 28455140]

約数ペア:

[(1, 28455140), (2, 14227570), (4, 7113785), (5, 5691028), (7, 4065020), (10, 2845514), (14, 2032510), (20, 1422757), (23, 1237180), (28, 1016255), (35, 813004), (46, 618590), (70, 406502), (92, 309295), (115, 247436), (140, 203251), (161, 176740), (230, 123718), (322, 88370), (460, 61859), (644, 44185), (805, 35348), (1610, 17674), (3220, 8837)]