1778540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5231}}^1$

素因数の和:5257

約数の個数: 24

約数和(自身を含む): 3955392

約数和(自身を除く): 2176852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5231, 10462, 20924, 26155, 52310, 88927, 104620, 177854, 355708, 444635, 889270, 1778540]

約数ペア:

[(1, 1778540), (2, 889270), (4, 444635), (5, 355708), (10, 177854), (17, 104620), (20, 88927), (34, 52310), (68, 26155), (85, 20924), (170, 10462), (340, 5231)]