201546775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 274982400

約数和(自身を除く): 73435625

約数列:

[1, 5, 19, 25, 41, 79, 95, 131, 205, 395, 475, 655, 779, 1025, 1501, 1975, 2489, 3239, 3275, 3895, 5371, 7505, 10349, 12445, 16195, 19475, 26855, 37525, 51745, 61541, 62225, 80975, 102049, 134275, 196631, 258725, 307705, 424309, 510245, 983155, 1538525, 2121545, 2551225, 4915775, 8061871, 10607725, 40309355, 201546775]

約数ペア:

[(1, 201546775), (5, 40309355), (19, 10607725), (25, 8061871), (41, 4915775), (79, 2551225), (95, 2121545), (131, 1538525), (205, 983155), (395, 510245), (475, 424309), (655, 307705), (779, 258725), (1025, 196631), (1501, 134275), (1975, 102049), (2489, 80975), (3239, 62225), (3275, 61541), (3895, 51745), (5371, 37525), (7505, 26855), (10349, 19475), (12445, 16195)]