1282477940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{461323}}^1$

素因数の和:461471

約数の個数: 24

約数和(自身を含む): 2712585120

約数和(自身を除く): 1430107180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 461323, 922646, 1845292, 2306615, 4613230, 9226460, 64123897, 128247794, 256495588, 320619485, 641238970, 1282477940]

約数ペア:

[(1, 1282477940), (2, 641238970), (4, 320619485), (5, 256495588), (10, 128247794), (20, 64123897), (139, 9226460), (278, 4613230), (556, 2306615), (695, 1845292), (1390, 922646), (2780, 461323)]