8317540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{491}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 21986496

約数和(自身を除く): 13668956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 491, 605, 770, 847, 982, 1210, 1540, 1694, 1964, 2420, 2455, 3388, 3437, 4235, 4910, 5401, 6874, 8470, 9820, 10802, 13748, 16940, 17185, 21604, 27005, 34370, 37807, 54010, 59411, 68740, 75614, 108020, 118822, 151228, 189035, 237644, 297055, 378070, 415877, 594110, 756140, 831754, 1188220, 1663508, 2079385, 4158770, 8317540]

約数ペア:

[(1, 8317540), (2, 4158770), (4, 2079385), (5, 1663508), (7, 1188220), (10, 831754), (11, 756140), (14, 594110), (20, 415877), (22, 378070), (28, 297055), (35, 237644), (44, 189035), (55, 151228), (70, 118822), (77, 108020), (110, 75614), (121, 68740), (140, 59411), (154, 54010), (220, 37807), (242, 34370), (308, 27005), (385, 21604), (484, 17185), (491, 16940), (605, 13748), (770, 10802), (847, 9820), (982, 8470), (1210, 6874), (1540, 5401), (1694, 4910), (1964, 4235), (2420, 3437), (2455, 3388)]