4250015

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 6894720

約数和(自身を除く): 2644705

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 83, 95, 133, 209, 245, 385, 415, 539, 581, 665, 913, 931, 1045, 1463, 1577, 2695, 2905, 4067, 4565, 4655, 6391, 7315, 7885, 10241, 11039, 17347, 20335, 31955, 44737, 51205, 55195, 77273, 86735, 121429, 223685, 386365, 607145, 850003, 4250015]

約数ペア:

[(1, 4250015), (5, 850003), (7, 607145), (11, 386365), (19, 223685), (35, 121429), (49, 86735), (55, 77273), (77, 55195), (83, 51205), (95, 44737), (133, 31955), (209, 20335), (245, 17347), (385, 11039), (415, 10241), (539, 7885), (581, 7315), (665, 6391), (913, 4655), (931, 4565), (1045, 4067), (1463, 2905), (1577, 2695)]