5678890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2662

約数の個数: 32

約数和(自身を含む): 12063744

約数和(自身を除く): 6384854

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 2617, 5234, 13085, 18319, 26170, 36638, 81127, 91595, 162254, 183190, 405635, 567889, 811270, 1135778, 2839445, 5678890]

約数ペア:

[(1, 5678890), (2, 2839445), (5, 1135778), (7, 811270), (10, 567889), (14, 405635), (31, 183190), (35, 162254), (62, 91595), (70, 81127), (155, 36638), (217, 26170), (310, 18319), (434, 13085), (1085, 5234), (2170, 2617)]