8990380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{64217}}^1$

素因数の和:64233

約数の個数: 24

約数和(自身を含む): 21577248

約数和(自身を除く): 12586868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 64217, 128434, 256868, 321085, 449519, 642170, 899038, 1284340, 1798076, 2247595, 4495190, 8990380]

約数ペア:

[(1, 8990380), (2, 4495190), (4, 2247595), (5, 1798076), (7, 1284340), (10, 899038), (14, 642170), (20, 449519), (28, 321085), (35, 256868), (70, 128434), (140, 64217)]