347507725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 465505920

約数和(自身を除く): 117998195

約数列:

[1, 5, 25, 29, 43, 71, 145, 157, 215, 355, 725, 785, 1075, 1247, 1775, 2059, 3053, 3925, 4553, 6235, 6751, 10295, 11147, 15265, 22765, 31175, 33755, 51475, 55735, 76325, 88537, 113825, 168775, 195779, 278675, 323263, 442685, 479321, 978895, 1616315, 2213425, 2396605, 4894475, 8081575, 11983025, 13900309, 69501545, 347507725]

約数ペア:

[(1, 347507725), (5, 69501545), (25, 13900309), (29, 11983025), (43, 8081575), (71, 4894475), (145, 2396605), (157, 2213425), (215, 1616315), (355, 978895), (725, 479321), (785, 442685), (1075, 323263), (1247, 278675), (1775, 195779), (2059, 168775), (3053, 113825), (3925, 88537), (4553, 76325), (6235, 55735), (6751, 51475), (10295, 33755), (11147, 31175), (15265, 22765)]