83764520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{42737}}^1$

素因数の和:42762

約数の個数: 48

約数和(自身を含む): 219245940

約数和(自身を除く): 135481420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 42737, 85474, 170948, 213685, 299159, 341896, 427370, 598318, 854740, 1196636, 1495795, 1709480, 2094113, 2393272, 2991590, 4188226, 5983180, 8376452, 10470565, 11966360, 16752904, 20941130, 41882260, 83764520]

約数ペア:

[(1, 83764520), (2, 41882260), (4, 20941130), (5, 16752904), (7, 11966360), (8, 10470565), (10, 8376452), (14, 5983180), (20, 4188226), (28, 2991590), (35, 2393272), (40, 2094113), (49, 1709480), (56, 1495795), (70, 1196636), (98, 854740), (140, 598318), (196, 427370), (245, 341896), (280, 299159), (392, 213685), (490, 170948), (980, 85474), (1960, 42737)]