300000155

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 468357120

約数和(自身を除く): 168356965

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 109, 115, 161, 263, 299, 455, 545, 763, 805, 1315, 1417, 1495, 1841, 2093, 2507, 3419, 3815, 6049, 7085, 9205, 9919, 10465, 12535, 17095, 17549, 23933, 28667, 30245, 32591, 42343, 49595, 78637, 87745, 119665, 143335, 162955, 200669, 211715, 228137, 372671, 393185, 550459, 659341, 1003345, 1140685, 1863355, 2608697, 2752295, 3296705, 4615387, 8571433, 13043485, 23076935, 42857165, 60000031, 300000155]

約数ペア:

[(1, 300000155), (5, 60000031), (7, 42857165), (13, 23076935), (23, 13043485), (35, 8571433), (65, 4615387), (91, 3296705), (109, 2752295), (115, 2608697), (161, 1863355), (263, 1140685), (299, 1003345), (455, 659341), (545, 550459), (763, 393185), (805, 372671), (1315, 228137), (1417, 211715), (1495, 200669), (1841, 162955), (2093, 143335), (2507, 119665), (3419, 87745), (3815, 78637), (6049, 49595), (7085, 42343), (9205, 32591), (9919, 30245), (10465, 28667), (12535, 23933), (17095, 17549)]