242461780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{10111}}^1$

素因数の和:10240

約数の個数: 48

約数和(自身を含む): 560609280

約数和(自身を除く): 318147500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 10111, 11990, 20222, 23980, 40444, 50555, 101110, 111221, 202220, 222442, 444884, 556105, 1102099, 1112210, 2204198, 2224420, 4408396, 5510495, 11020990, 12123089, 22041980, 24246178, 48492356, 60615445, 121230890, 242461780]

約数ペア:

[(1, 242461780), (2, 121230890), (4, 60615445), (5, 48492356), (10, 24246178), (11, 22041980), (20, 12123089), (22, 11020990), (44, 5510495), (55, 4408396), (109, 2224420), (110, 2204198), (218, 1112210), (220, 1102099), (436, 556105), (545, 444884), (1090, 222442), (1199, 202220), (2180, 111221), (2398, 101110), (4796, 50555), (5995, 40444), (10111, 23980), (11990, 20222)]