8860390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 20487168

約数和(自身を除く): 11626778

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 55, 70, 74, 77, 110, 154, 185, 259, 311, 370, 385, 407, 518, 622, 770, 814, 1295, 1555, 2035, 2177, 2590, 2849, 3110, 3421, 4070, 4354, 5698, 6842, 10885, 11507, 14245, 17105, 21770, 23014, 23947, 28490, 34210, 47894, 57535, 80549, 115070, 119735, 126577, 161098, 239470, 253154, 402745, 632885, 805490, 886039, 1265770, 1772078, 4430195, 8860390]

約数ペア:

[(1, 8860390), (2, 4430195), (5, 1772078), (7, 1265770), (10, 886039), (11, 805490), (14, 632885), (22, 402745), (35, 253154), (37, 239470), (55, 161098), (70, 126577), (74, 119735), (77, 115070), (110, 80549), (154, 57535), (185, 47894), (259, 34210), (311, 28490), (370, 23947), (385, 23014), (407, 21770), (518, 17105), (622, 14245), (770, 11507), (814, 10885), (1295, 6842), (1555, 5698), (2035, 4354), (2177, 4070), (2590, 3421), (2849, 3110)]