204490730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{2711}}^1$

素因数の和:3134

約数の個数: 32

約数和(自身を含む): 388575360

約数和(自身を除く): 184084630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 397, 794, 1985, 2711, 3970, 5422, 7543, 13555, 15086, 27110, 37715, 51509, 75430, 103018, 257545, 515090, 1076267, 2152534, 5381335, 10762670, 20449073, 40898146, 102245365, 204490730]

約数ペア:

[(1, 204490730), (2, 102245365), (5, 40898146), (10, 20449073), (19, 10762670), (38, 5381335), (95, 2152534), (190, 1076267), (397, 515090), (794, 257545), (1985, 103018), (2711, 75430), (3970, 51509), (5422, 37715), (7543, 27110), (13555, 15086)]