2080401820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2122859}}^1$

素因数の和:2122882

約数の個数: 36

約数和(自身を含む): 5082126840

約数和(自身を除く): 3001725020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2122859, 4245718, 8491436, 10614295, 14860013, 21228590, 29720026, 42457180, 59440052, 74300065, 104020091, 148600130, 208040182, 297200260, 416080364, 520100455, 1040200910, 2080401820]

約数ペア:

[(1, 2080401820), (2, 1040200910), (4, 520100455), (5, 416080364), (7, 297200260), (10, 208040182), (14, 148600130), (20, 104020091), (28, 74300065), (35, 59440052), (49, 42457180), (70, 29720026), (98, 21228590), (140, 14860013), (196, 10614295), (245, 8491436), (490, 4245718), (980, 2122859)]