238659820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1704713}}^1$

素因数の和:1704729

約数の個数: 24

約数和(自身を含む): 572783904

約数和(自身を除く): 334124084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1704713, 3409426, 6818852, 8523565, 11932991, 17047130, 23865982, 34094260, 47731964, 59664955, 119329910, 238659820]

約数ペア:

[(1, 238659820), (2, 119329910), (4, 59664955), (5, 47731964), (7, 34094260), (10, 23865982), (14, 17047130), (20, 11932991), (28, 8523565), (35, 6818852), (70, 3409426), (140, 1704713)]