102019820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{728713}}^1$

素因数の和:728729

約数の個数: 24

約数和(自身を含む): 244847904

約数和(自身を除く): 142828084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 728713, 1457426, 2914852, 3643565, 5100991, 7287130, 10201982, 14574260, 20403964, 25504955, 51009910, 102019820]

約数ペア:

[(1, 102019820), (2, 51009910), (4, 25504955), (5, 20403964), (7, 14574260), (10, 10201982), (14, 7287130), (20, 5100991), (28, 3643565), (35, 2914852), (70, 1457426), (140, 728713)]