39980276

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^2\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 54

約数和(自身を含む): 84208950

約数和(自身を除く): 44228674

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 149, 196, 259, 298, 518, 596, 1036, 1043, 1369, 1813, 2086, 2738, 3626, 4172, 5476, 5513, 7252, 7301, 9583, 11026, 14602, 19166, 22052, 29204, 38332, 38591, 67081, 77182, 134162, 154364, 203981, 268324, 270137, 407962, 540274, 815924, 1080548, 1427867, 2855734, 5711468, 9995069, 19990138, 39980276]

約数ペア:

[(1, 39980276), (2, 19990138), (4, 9995069), (7, 5711468), (14, 2855734), (28, 1427867), (37, 1080548), (49, 815924), (74, 540274), (98, 407962), (148, 270137), (149, 268324), (196, 203981), (259, 154364), (298, 134162), (518, 77182), (596, 67081), (1036, 38591), (1043, 38332), (1369, 29204), (1813, 22052), (2086, 19166), (2738, 14602), (3626, 11026), (4172, 9583), (5476, 7301), (5513, 7252)]