2438840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3209}}^1$

素因数の和:3239

約数の個数: 32

約数和(自身を含む): 5778000

約数和(自身を除く): 3339160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 3209, 6418, 12836, 16045, 25672, 32090, 60971, 64180, 121942, 128360, 243884, 304855, 487768, 609710, 1219420, 2438840]

約数ペア:

[(1, 2438840), (2, 1219420), (4, 609710), (5, 487768), (8, 304855), (10, 243884), (19, 128360), (20, 121942), (38, 64180), (40, 60971), (76, 32090), (95, 25672), (152, 16045), (190, 12836), (380, 6418), (760, 3209)]