278324660

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{42043}}^1$

素因数の和:42383

約数の個数: 24

約数和(自身を含む): 586261536

約数和(自身を除く): 307936876

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 42043, 84086, 168172, 210215, 420430, 840860, 13916233, 27832466, 55664932, 69581165, 139162330, 278324660]

約数ペア:

[(1, 278324660), (2, 139162330), (4, 69581165), (5, 55664932), (10, 27832466), (20, 13916233), (331, 840860), (662, 420430), (1324, 210215), (1655, 168172), (3310, 84086), (6620, 42043)]