42665980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{304757}}^1$

素因数の和:304773

約数の個数: 24

約数和(自身を含む): 102398688

約数和(自身を除く): 59732708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 304757, 609514, 1219028, 1523785, 2133299, 3047570, 4266598, 6095140, 8533196, 10666495, 21332990, 42665980]

約数ペア:

[(1, 42665980), (2, 21332990), (4, 10666495), (5, 8533196), (7, 6095140), (10, 4266598), (14, 3047570), (20, 2133299), (28, 1523785), (35, 1219028), (70, 609514), (140, 304757)]