2407780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 5100480

約数和(自身を除く): 2692700

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 919, 1310, 1838, 2620, 3676, 4595, 9190, 18380, 120389, 240778, 481556, 601945, 1203890, 2407780]

約数ペア:

[(1, 2407780), (2, 1203890), (4, 601945), (5, 481556), (10, 240778), (20, 120389), (131, 18380), (262, 9190), (524, 4595), (655, 3676), (919, 2620), (1310, 1838)]