68390980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2027}}^1$

素因数の和:2284

約数の個数: 48

約数和(自身を含む): 164900736

約数和(自身を除く): 96509756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 2027, 2410, 3374, 4054, 4820, 6748, 8108, 8435, 10135, 14189, 16870, 20270, 28378, 33740, 40540, 56756, 70945, 141890, 283780, 488507, 977014, 1954028, 2442535, 3419549, 4885070, 6839098, 9770140, 13678196, 17097745, 34195490, 68390980]

約数ペア:

[(1, 68390980), (2, 34195490), (4, 17097745), (5, 13678196), (7, 9770140), (10, 6839098), (14, 4885070), (20, 3419549), (28, 2442535), (35, 1954028), (70, 977014), (140, 488507), (241, 283780), (482, 141890), (964, 70945), (1205, 56756), (1687, 40540), (2027, 33740), (2410, 28378), (3374, 20270), (4054, 16870), (4820, 14189), (6748, 10135), (8108, 8435)]