78801460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4373}}^1$

素因数の和:4452

約数の個数: 48

約数和(自身を含む): 178564176

約数和(自身を除く): 99762716

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4373, 4505, 8746, 9010, 17492, 18020, 21865, 43730, 74341, 87460, 148682, 231769, 297364, 371705, 463538, 743410, 927076, 1158845, 1486820, 2317690, 3940073, 4635380, 7880146, 15760292, 19700365, 39400730, 78801460]

約数ペア:

[(1, 78801460), (2, 39400730), (4, 19700365), (5, 15760292), (10, 7880146), (17, 4635380), (20, 3940073), (34, 2317690), (53, 1486820), (68, 1158845), (85, 927076), (106, 743410), (170, 463538), (212, 371705), (265, 297364), (340, 231769), (530, 148682), (901, 87460), (1060, 74341), (1802, 43730), (3604, 21865), (4373, 18020), (4505, 17492), (8746, 9010)]