82980520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{42337}}^1$

素因数の和:42362

約数の個数: 48

約数和(自身を含む): 217193940

約数和(自身を除く): 134213420

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, 42337, 84674, 169348, 211685, 296359, 338696, 423370, 592718, 846740, 1185436, 1481795, 1693480, 2074513, 2370872, 2963590, 4149026, 5927180, 8298052, 10372565, 11854360, 16596104, 20745130, 41490260, 82980520]

約数ペア:

[(1, 82980520), (2, 41490260), (4, 20745130), (5, 16596104), (7, 11854360), (8, 10372565), (10, 8298052), (14, 5927180), (20, 4149026), (28, 2963590), (35, 2370872), (40, 2074513), (49, 1693480), (56, 1481795), (70, 1185436), (98, 846740), (140, 592718), (196, 423370), (245, 338696), (280, 296359), (392, 211685), (490, 169348), (980, 84674), (1960, 42337)]