208260640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{185947}}^1$

素因数の和:185969

約数の個数: 48

約数和(自身を含む): 562306752

約数和(自身を除く): 354046112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 185947, 371894, 743788, 929735, 1301629, 1487576, 1859470, 2603258, 2975152, 3718940, 5206516, 5950304, 6508145, 7437880, 10413032, 13016290, 14875760, 20826064, 26032580, 29751520, 41652128, 52065160, 104130320, 208260640]

約数ペア:

[(1, 208260640), (2, 104130320), (4, 52065160), (5, 41652128), (7, 29751520), (8, 26032580), (10, 20826064), (14, 14875760), (16, 13016290), (20, 10413032), (28, 7437880), (32, 6508145), (35, 5950304), (40, 5206516), (56, 3718940), (70, 2975152), (80, 2603258), (112, 1859470), (140, 1487576), (160, 1301629), (224, 929735), (280, 743788), (560, 371894), (1120, 185947)]