42702520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{21787}}^1$

素因数の和:21812

約数の個数: 48

約数和(自身を含む): 111772440

約数和(自身を除く): 69069920

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, 21787, 43574, 87148, 108935, 152509, 174296, 217870, 305018, 435740, 610036, 762545, 871480, 1067563, 1220072, 1525090, 2135126, 3050180, 4270252, 5337815, 6100360, 8540504, 10675630, 21351260, 42702520]

約数ペア:

[(1, 42702520), (2, 21351260), (4, 10675630), (5, 8540504), (7, 6100360), (8, 5337815), (10, 4270252), (14, 3050180), (20, 2135126), (28, 1525090), (35, 1220072), (40, 1067563), (49, 871480), (56, 762545), (70, 610036), (98, 435740), (140, 305018), (196, 217870), (245, 174296), (280, 152509), (392, 108935), (490, 87148), (980, 43574), (1960, 21787)]