201653860

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{42187}}^1$

素因数の和:42435

約数の個数: 24

約数和(自身を含む): 425255040

約数和(自身を除く): 223601180

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 42187, 84374, 168748, 210935, 421870, 843740, 10082693, 20165386, 40330772, 50413465, 100826930, 201653860]

約数ペア:

[(1, 201653860), (2, 100826930), (4, 50413465), (5, 40330772), (10, 20165386), (20, 10082693), (239, 843740), (478, 421870), (956, 210935), (1195, 168748), (2390, 84374), (4780, 42187)]