71739080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{256211}}^1$

素因数の和:256229

約数の個数: 32

約数和(自身を含む): 184472640

約数和(自身を除く): 112733560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 256211, 512422, 1024844, 1281055, 1793477, 2049688, 2562110, 3586954, 5124220, 7173908, 8967385, 10248440, 14347816, 17934770, 35869540, 71739080]

約数ペア:

[(1, 71739080), (2, 35869540), (4, 17934770), (5, 14347816), (7, 10248440), (8, 8967385), (10, 7173908), (14, 5124220), (20, 3586954), (28, 2562110), (35, 2049688), (40, 1793477), (56, 1281055), (70, 1024844), (140, 512422), (280, 256211)]