84190820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{85909}}^1$

素因数の和:85932

約数の個数: 36

約数和(自身を含む): 205668540

約数和(自身を除く): 121477720

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 85909, 171818, 343636, 429545, 601363, 859090, 1202726, 1718180, 2405452, 3006815, 4209541, 6013630, 8419082, 12027260, 16838164, 21047705, 42095410, 84190820]

約数ペア:

[(1, 84190820), (2, 42095410), (4, 21047705), (5, 16838164), (7, 12027260), (10, 8419082), (14, 6013630), (20, 4209541), (28, 3006815), (35, 2405452), (49, 1718180), (70, 1202726), (98, 859090), (140, 601363), (196, 429545), (245, 343636), (490, 171818), (980, 85909)]