77973340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{457}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 173124000

約数和(自身を除く): 95150660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 449, 457, 898, 914, 1796, 1828, 2245, 2285, 4490, 4570, 8531, 8683, 8980, 9140, 17062, 17366, 34124, 34732, 42655, 43415, 85310, 86830, 170620, 173660, 205193, 410386, 820772, 1025965, 2051930, 3898667, 4103860, 7797334, 15594668, 19493335, 38986670, 77973340]

約数ペア:

[(1, 77973340), (2, 38986670), (4, 19493335), (5, 15594668), (10, 7797334), (19, 4103860), (20, 3898667), (38, 2051930), (76, 1025965), (95, 820772), (190, 410386), (380, 205193), (449, 173660), (457, 170620), (898, 86830), (914, 85310), (1796, 43415), (1828, 42655), (2245, 34732), (2285, 34124), (4490, 17366), (4570, 17062), (8531, 9140), (8683, 8980)]