841820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{859}}^1$

素因数の和:882

約数の個数: 36

約数和(自身を含む): 2058840

約数和(自身を除く): 1217020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 859, 980, 1718, 3436, 4295, 6013, 8590, 12026, 17180, 24052, 30065, 42091, 60130, 84182, 120260, 168364, 210455, 420910, 841820]

約数ペア:

[(1, 841820), (2, 420910), (4, 210455), (5, 168364), (7, 120260), (10, 84182), (14, 60130), (20, 42091), (28, 30065), (35, 24052), (49, 17180), (70, 12026), (98, 8590), (140, 6013), (196, 4295), (245, 3436), (490, 1718), (859, 980)]