117788900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{28729}}^1$

素因数の和:28784

約数の個数: 36

約数和(自身を含む): 261845220

約数和(自身を除く): 144056320

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 28729, 57458, 114916, 143645, 287290, 574580, 718225, 1177889, 1436450, 2355778, 2872900, 4711556, 5889445, 11778890, 23557780, 29447225, 58894450, 117788900]

約数ペア:

[(1, 117788900), (2, 58894450), (4, 29447225), (5, 23557780), (10, 11778890), (20, 5889445), (25, 4711556), (41, 2872900), (50, 2355778), (82, 1436450), (100, 1177889), (164, 718225), (205, 574580), (410, 287290), (820, 143645), (1025, 114916), (2050, 57458), (4100, 28729)]