8144780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8311}}^1$

素因数の和:8334

約数の個数: 36

約数和(自身を含む): 19898928

約数和(自身を除く): 11754148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8311, 16622, 33244, 41555, 58177, 83110, 116354, 166220, 232708, 290885, 407239, 581770, 814478, 1163540, 1628956, 2036195, 4072390, 8144780]

約数ペア:

[(1, 8144780), (2, 4072390), (4, 2036195), (5, 1628956), (7, 1163540), (10, 814478), (14, 581770), (20, 407239), (28, 290885), (35, 232708), (49, 166220), (70, 116354), (98, 83110), (140, 58177), (196, 41555), (245, 33244), (490, 16622), (980, 8311)]