805366940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{821803}}^1$

素因数の和:821826

約数の個数: 36

約数和(自身を含む): 1967398776

約数和(自身を除く): 1162031836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 821803, 1643606, 3287212, 4109015, 5752621, 8218030, 11505242, 16436060, 23010484, 28763105, 40268347, 57526210, 80536694, 115052420, 161073388, 201341735, 402683470, 805366940]

約数ペア:

[(1, 805366940), (2, 402683470), (4, 201341735), (5, 161073388), (7, 115052420), (10, 80536694), (14, 57526210), (20, 40268347), (28, 28763105), (35, 23010484), (49, 16436060), (70, 11505242), (98, 8218030), (140, 5752621), (196, 4109015), (245, 3287212), (490, 1643606), (980, 821803)]