208074820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{2689}}^1$

素因数の和:2824

約数の個数: 48

約数和(自身を含む): 451468080

約数和(自身を除く): 243393260

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 212, 265, 292, 365, 530, 730, 1060, 1460, 2689, 3869, 5378, 7738, 10756, 13445, 15476, 19345, 26890, 38690, 53780, 77380, 142517, 196297, 285034, 392594, 570068, 712585, 785188, 981485, 1425170, 1962970, 2850340, 3925940, 10403741, 20807482, 41614964, 52018705, 104037410, 208074820]

約数ペア:

[(1, 208074820), (2, 104037410), (4, 52018705), (5, 41614964), (10, 20807482), (20, 10403741), (53, 3925940), (73, 2850340), (106, 1962970), (146, 1425170), (212, 981485), (265, 785188), (292, 712585), (365, 570068), (530, 392594), (730, 285034), (1060, 196297), (1460, 142517), (2689, 77380), (3869, 53780), (5378, 38690), (7738, 26890), (10756, 19345), (13445, 15476)]