8685740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8863}}^1$

素因数の和:8886

約数の個数: 36

約数和(自身を含む): 21220416

約数和(自身を除く): 12534676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8863, 17726, 35452, 44315, 62041, 88630, 124082, 177260, 248164, 310205, 434287, 620410, 868574, 1240820, 1737148, 2171435, 4342870, 8685740]

約数ペア:

[(1, 8685740), (2, 4342870), (4, 2171435), (5, 1737148), (7, 1240820), (10, 868574), (14, 620410), (20, 434287), (28, 310205), (35, 248164), (49, 177260), (70, 124082), (98, 88630), (140, 62041), (196, 44315), (245, 35452), (490, 17726), (980, 8863)]