83176520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{42437}}^1$

素因数の和:42462

約数の個数: 48

約数和(自身を含む): 217706940

約数和(自身を除く): 134530420

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, 42437, 84874, 169748, 212185, 297059, 339496, 424370, 594118, 848740, 1188236, 1485295, 1697480, 2079413, 2376472, 2970590, 4158826, 5941180, 8317652, 10397065, 11882360, 16635304, 20794130, 41588260, 83176520]

約数ペア:

[(1, 83176520), (2, 41588260), (4, 20794130), (5, 16635304), (7, 11882360), (8, 10397065), (10, 8317652), (14, 5941180), (20, 4158826), (28, 2970590), (35, 2376472), (40, 2079413), (49, 1697480), (56, 1485295), (70, 1188236), (98, 848740), (140, 594118), (196, 424370), (245, 339496), (280, 297059), (392, 212185), (490, 169748), (980, 84874), (1960, 42437)]