2118740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 4974480

約数和(自身を除く): 2855740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 281, 290, 377, 562, 580, 754, 1124, 1405, 1508, 1885, 2810, 3653, 3770, 5620, 7306, 7540, 8149, 14612, 16298, 18265, 32596, 36530, 40745, 73060, 81490, 105937, 162980, 211874, 423748, 529685, 1059370, 2118740]

約数ペア:

[(1, 2118740), (2, 1059370), (4, 529685), (5, 423748), (10, 211874), (13, 162980), (20, 105937), (26, 81490), (29, 73060), (52, 40745), (58, 36530), (65, 32596), (116, 18265), (130, 16298), (145, 14612), (260, 8149), (281, 7540), (290, 7306), (377, 5620), (562, 3770), (580, 3653), (754, 2810), (1124, 1885), (1405, 1508)]