77876225

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 115230720

約数和(自身を除く): 37354495

約数列:

[1, 5, 7, 25, 35, 43, 79, 131, 175, 215, 301, 395, 553, 655, 917, 1075, 1505, 1975, 2765, 3275, 3397, 4585, 5633, 7525, 10349, 13825, 16985, 22925, 23779, 28165, 39431, 51745, 72443, 84925, 118895, 140825, 197155, 258725, 362215, 445007, 594475, 985775, 1811075, 2225035, 3115049, 11125175, 15575245, 77876225]

約数ペア:

[(1, 77876225), (5, 15575245), (7, 11125175), (25, 3115049), (35, 2225035), (43, 1811075), (79, 985775), (131, 594475), (175, 445007), (215, 362215), (301, 258725), (395, 197155), (553, 140825), (655, 118895), (917, 84925), (1075, 72443), (1505, 51745), (1975, 39431), (2765, 28165), (3275, 23779), (3397, 22925), (4585, 16985), (5633, 13825), (7525, 10349)]