217080440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{10259}}^1$

素因数の和:10316

約数の個数: 48

約数和(自身を含む): 510640200

約数和(自身を除く): 293559760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 920, 1058, 2116, 2645, 4232, 5290, 10259, 10580, 20518, 21160, 41036, 51295, 82072, 102590, 205180, 235957, 410360, 471914, 943828, 1179785, 1887656, 2359570, 4719140, 5427011, 9438280, 10854022, 21708044, 27135055, 43416088, 54270110, 108540220, 217080440]

約数ペア:

[(1, 217080440), (2, 108540220), (4, 54270110), (5, 43416088), (8, 27135055), (10, 21708044), (20, 10854022), (23, 9438280), (40, 5427011), (46, 4719140), (92, 2359570), (115, 1887656), (184, 1179785), (230, 943828), (460, 471914), (529, 410360), (920, 235957), (1058, 205180), (2116, 102590), (2645, 82072), (4232, 51295), (5290, 41036), (10259, 21160), (10580, 20518)]