8257970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:927

約数の個数: 48

約数和(自身を含む): 18221760

約数和(自身を除く): 9963790

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 887, 931, 1330, 1774, 1862, 4435, 4655, 6209, 8870, 9310, 12418, 16853, 31045, 33706, 43463, 62090, 84265, 86926, 117971, 168530, 217315, 235942, 434630, 589855, 825797, 1179710, 1651594, 4128985, 8257970]

約数ペア:

[(1, 8257970), (2, 4128985), (5, 1651594), (7, 1179710), (10, 825797), (14, 589855), (19, 434630), (35, 235942), (38, 217315), (49, 168530), (70, 117971), (95, 86926), (98, 84265), (133, 62090), (190, 43463), (245, 33706), (266, 31045), (490, 16853), (665, 12418), (887, 9310), (931, 8870), (1330, 6209), (1774, 4655), (1862, 4435)]