2491888550

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{380441}}^1$

素因数の和:380584

約数の個数: 24

約数和(自身を含む): 4670305992

約数和(自身を除く): 2178417442

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 655, 1310, 3275, 6550, 380441, 760882, 1902205, 3804410, 9511025, 19022050, 49837771, 99675542, 249188855, 498377710, 1245944275, 2491888550]

約数ペア:

[(1, 2491888550), (2, 1245944275), (5, 498377710), (10, 249188855), (25, 99675542), (50, 49837771), (131, 19022050), (262, 9511025), (655, 3804410), (1310, 1902205), (3275, 760882), (6550, 380441)]