207920060

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{2687}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 451132416

約数和(自身を除く): 243212356

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 212, 265, 292, 365, 530, 730, 1060, 1460, 2687, 3869, 5374, 7738, 10748, 13435, 15476, 19345, 26870, 38690, 53740, 77380, 142411, 196151, 284822, 392302, 569644, 712055, 784604, 980755, 1424110, 1961510, 2848220, 3923020, 10396003, 20792006, 41584012, 51980015, 103960030, 207920060]

約数ペア:

[(1, 207920060), (2, 103960030), (4, 51980015), (5, 41584012), (10, 20792006), (20, 10396003), (53, 3923020), (73, 2848220), (106, 1961510), (146, 1424110), (212, 980755), (265, 784604), (292, 712055), (365, 569644), (530, 392302), (730, 284822), (1060, 196151), (1460, 142411), (2687, 77380), (3869, 53740), (5374, 38690), (7738, 26870), (10748, 19345), (13435, 15476)]