216227740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{1279}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 464486400

約数和(自身を除く): 248258660

約数列:

[1, 2, 4, 5, 10, 20, 79, 107, 158, 214, 316, 395, 428, 535, 790, 1070, 1279, 1580, 2140, 2558, 5116, 6395, 8453, 12790, 16906, 25580, 33812, 42265, 84530, 101041, 136853, 169060, 202082, 273706, 404164, 505205, 547412, 684265, 1010410, 1368530, 2020820, 2737060, 10811387, 21622774, 43245548, 54056935, 108113870, 216227740]

約数ペア:

[(1, 216227740), (2, 108113870), (4, 54056935), (5, 43245548), (10, 21622774), (20, 10811387), (79, 2737060), (107, 2020820), (158, 1368530), (214, 1010410), (316, 684265), (395, 547412), (428, 505205), (535, 404164), (790, 273706), (1070, 202082), (1279, 169060), (1580, 136853), (2140, 101041), (2558, 84530), (5116, 42265), (6395, 33812), (8453, 25580), (12790, 16906)]