320147540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{16657}}^1$

素因数の和:16728

約数の個数: 36

約数和(自身を含む): 694738548

約数和(自身を除く): 374591008

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 16657, 19220, 33314, 66628, 83285, 166570, 333140, 516367, 1032734, 2065468, 2581835, 5163670, 10327340, 16007377, 32014754, 64029508, 80036885, 160073770, 320147540]

約数ペア:

[(1, 320147540), (2, 160073770), (4, 80036885), (5, 64029508), (10, 32014754), (20, 16007377), (31, 10327340), (62, 5163670), (124, 2581835), (155, 2065468), (310, 1032734), (620, 516367), (961, 333140), (1922, 166570), (3844, 83285), (4805, 66628), (9610, 33314), (16657, 19220)]