82379780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{84061}}^1$

素因数の和:84084

約数の個数: 36

約数和(自身を含む): 201244428

約数和(自身を除く): 118864648

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 84061, 168122, 336244, 420305, 588427, 840610, 1176854, 1681220, 2353708, 2942135, 4118989, 5884270, 8237978, 11768540, 16475956, 20594945, 41189890, 82379780]

約数ペア:

[(1, 82379780), (2, 41189890), (4, 20594945), (5, 16475956), (7, 11768540), (10, 8237978), (14, 5884270), (20, 4118989), (28, 2942135), (35, 2353708), (49, 1681220), (70, 1176854), (98, 840610), (140, 588427), (196, 420305), (245, 336244), (490, 168122), (980, 84061)]