123244540

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{18617}}^1$

素因数の和:18957

約数の個数: 24

約数和(自身を含む): 259609392

約数和(自身を除く): 136364852

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 18617, 37234, 74468, 93085, 186170, 372340, 6162227, 12324454, 24648908, 30811135, 61622270, 123244540]

約数ペア:

[(1, 123244540), (2, 61622270), (4, 30811135), (5, 24648908), (10, 12324454), (20, 6162227), (331, 372340), (662, 186170), (1324, 93085), (1655, 74468), (3310, 37234), (6620, 18617)]