1396912825

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1367

約数の個数: 72

約数和(自身を含む): 2226420000

約数和(自身を除く): 829507175

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 83, 175, 245, 275, 385, 415, 539, 581, 913, 1225, 1249, 1925, 2075, 2695, 2905, 4067, 4565, 6245, 6391, 8743, 13475, 13739, 14525, 20335, 22825, 31225, 31955, 43715, 44737, 61201, 68695, 96173, 101675, 103667, 159775, 218575, 223685, 306005, 343475, 480865, 518335, 673211, 725669, 1118425, 1140337, 1530025, 2404325, 2591675, 3366055, 3628345, 5079683, 5701685, 7982359, 16830275, 18141725, 25398415, 28508425, 39911795, 55876513, 126992075, 199558975, 279382565, 1396912825]

約数ペア:

[(1, 1396912825), (5, 279382565), (7, 199558975), (11, 126992075), (25, 55876513), (35, 39911795), (49, 28508425), (55, 25398415), (77, 18141725), (83, 16830275), (175, 7982359), (245, 5701685), (275, 5079683), (385, 3628345), (415, 3366055), (539, 2591675), (581, 2404325), (913, 1530025), (1225, 1140337), (1249, 1118425), (1925, 725669), (2075, 673211), (2695, 518335), (2905, 480865), (4067, 343475), (4565, 306005), (6245, 223685), (6391, 218575), (8743, 159775), (13475, 103667), (13739, 101675), (14525, 96173), (20335, 68695), (22825, 61201), (31225, 44737), (31955, 43715)]