211399060

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1\times {\mathrm{457}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 451276560

約数和(自身を除く): 239877500

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 229, 404, 457, 458, 505, 914, 916, 1010, 1145, 1828, 2020, 2285, 2290, 4570, 4580, 9140, 23129, 46157, 46258, 92314, 92516, 104653, 115645, 184628, 209306, 230785, 231290, 418612, 461570, 462580, 523265, 923140, 1046530, 2093060, 10569953, 21139906, 42279812, 52849765, 105699530, 211399060]

約数ペア:

[(1, 211399060), (2, 105699530), (4, 52849765), (5, 42279812), (10, 21139906), (20, 10569953), (101, 2093060), (202, 1046530), (229, 923140), (404, 523265), (457, 462580), (458, 461570), (505, 418612), (914, 231290), (916, 230785), (1010, 209306), (1145, 184628), (1828, 115645), (2020, 104653), (2285, 92516), (2290, 92314), (4570, 46258), (4580, 46157), (9140, 23129)]