201777740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{142097}}^1$

素因数の和:142177

約数の個数: 24

約数和(自身を含む): 429704352

約数和(自身を除く): 227926612

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 142097, 284194, 568388, 710485, 1420970, 2841940, 10088887, 20177774, 40355548, 50444435, 100888870, 201777740]

約数ペア:

[(1, 201777740), (2, 100888870), (4, 50444435), (5, 40355548), (10, 20177774), (20, 10088887), (71, 2841940), (142, 1420970), (284, 710485), (355, 568388), (710, 284194), (1420, 142097)]