78220660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79817}}^1$

素因数の和:79840

約数の個数: 36

約数和(自身を含む): 191084292

約数和(自身を除く): 112863632

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 79817, 159634, 319268, 399085, 558719, 798170, 1117438, 1596340, 2234876, 2793595, 3911033, 5587190, 7822066, 11174380, 15644132, 19555165, 39110330, 78220660]

約数ペア:

[(1, 78220660), (2, 39110330), (4, 19555165), (5, 15644132), (7, 11174380), (10, 7822066), (14, 5587190), (20, 3911033), (28, 2793595), (35, 2234876), (49, 1596340), (70, 1117438), (98, 798170), (140, 558719), (196, 399085), (245, 319268), (490, 159634), (980, 79817)]