822220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{839}}^1$

素因数の和:862

約数の個数: 36

約数和(自身を含む): 2010960

約数和(自身を除く): 1188740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 839, 980, 1678, 3356, 4195, 5873, 8390, 11746, 16780, 23492, 29365, 41111, 58730, 82222, 117460, 164444, 205555, 411110, 822220]

約数ペア:

[(1, 822220), (2, 411110), (4, 205555), (5, 164444), (7, 117460), (10, 82222), (14, 58730), (20, 41111), (28, 29365), (35, 23492), (49, 16780), (70, 11746), (98, 8390), (140, 5873), (196, 4195), (245, 3356), (490, 1678), (839, 980)]