68190920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{243539}}^1$

素因数の和:243557

約数の個数: 32

約数和(自身を含む): 175348800

約数和(自身を除く): 107157880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 243539, 487078, 974156, 1217695, 1704773, 1948312, 2435390, 3409546, 4870780, 6819092, 8523865, 9741560, 13638184, 17047730, 34095460, 68190920]

約数ペア:

[(1, 68190920), (2, 34095460), (4, 17047730), (5, 13638184), (7, 9741560), (8, 8523865), (10, 6819092), (14, 4870780), (20, 3409546), (28, 2435390), (35, 1948312), (40, 1704773), (56, 1217695), (70, 974156), (140, 487078), (280, 243539)]