4490180

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{647}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 9471168

約数和(自身を除く): 4980988

約数列:

[1, 2, 4, 5, 10, 20, 347, 647, 694, 1294, 1388, 1735, 2588, 3235, 3470, 6470, 6940, 12940, 224509, 449018, 898036, 1122545, 2245090, 4490180]

約数ペア:

[(1, 4490180), (2, 2245090), (4, 1122545), (5, 898036), (10, 449018), (20, 224509), (347, 12940), (647, 6940), (694, 6470), (1294, 3470), (1388, 3235), (1735, 2588)]