216222580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{12161}}^1$

素因数の和:12304

約数の個数: 48

約数和(自身を含む): 523063296

約数和(自身を除く): 306840716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 12161, 17780, 24322, 48644, 60805, 85127, 121610, 170254, 243220, 340508, 425635, 851270, 1544447, 1702540, 3088894, 6177788, 7722235, 10811129, 15444470, 21622258, 30888940, 43244516, 54055645, 108111290, 216222580]

約数ペア:

[(1, 216222580), (2, 108111290), (4, 54055645), (5, 43244516), (7, 30888940), (10, 21622258), (14, 15444470), (20, 10811129), (28, 7722235), (35, 6177788), (70, 3088894), (127, 1702540), (140, 1544447), (254, 851270), (508, 425635), (635, 340508), (889, 243220), (1270, 170254), (1778, 121610), (2540, 85127), (3556, 60805), (4445, 48644), (8890, 24322), (12161, 17780)]