207176380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1193}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 459355680

約数和(自身を除く): 252179300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 457, 914, 1193, 1828, 2285, 2386, 4570, 4772, 5965, 8683, 9140, 11930, 17366, 22667, 23860, 34732, 43415, 45334, 86830, 90668, 113335, 173660, 226670, 453340, 545201, 1090402, 2180804, 2726005, 5452010, 10358819, 10904020, 20717638, 41435276, 51794095, 103588190, 207176380]

約数ペア:

[(1, 207176380), (2, 103588190), (4, 51794095), (5, 41435276), (10, 20717638), (19, 10904020), (20, 10358819), (38, 5452010), (76, 2726005), (95, 2180804), (190, 1090402), (380, 545201), (457, 453340), (914, 226670), (1193, 173660), (1828, 113335), (2285, 90668), (2386, 86830), (4570, 45334), (4772, 43415), (5965, 34732), (8683, 23860), (9140, 22667), (11930, 17366)]