224740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 500472

約数和(自身を除く): 275732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 661, 1322, 2644, 3305, 6610, 11237, 13220, 22474, 44948, 56185, 112370, 224740]

約数ペア:

[(1, 224740), (2, 112370), (4, 56185), (5, 44948), (10, 22474), (17, 13220), (20, 11237), (34, 6610), (68, 3305), (85, 2644), (170, 1322), (340, 661)]