253508380

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{15439}}^1$

素因数の和:16269

約数の個数: 24

約数和(自身を含む): 533050560

約数和(自身を除く): 279542180

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 15439, 16420, 30878, 61756, 77195, 154390, 308780, 12675419, 25350838, 50701676, 63377095, 126754190, 253508380]

約数ペア:

[(1, 253508380), (2, 126754190), (4, 63377095), (5, 50701676), (10, 25350838), (20, 12675419), (821, 308780), (1642, 154390), (3284, 77195), (4105, 61756), (8210, 30878), (15439, 16420)]