391159375

素因数分解:

$5^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 534340800

約数和(自身を除く): 143181425

約数列:

[1, 5, 17, 25, 37, 85, 125, 185, 199, 425, 625, 629, 925, 995, 2125, 3125, 3145, 3383, 4625, 4975, 7363, 10625, 15725, 16915, 23125, 24875, 36815, 53125, 78625, 84575, 115625, 124375, 125171, 184075, 393125, 422875, 621875, 625855, 920375, 1965625, 2114375, 3129275, 4601875, 10571875, 15646375, 23009375, 78231875, 391159375]

約数ペア:

[(1, 391159375), (5, 78231875), (17, 23009375), (25, 15646375), (37, 10571875), (85, 4601875), (125, 3129275), (185, 2114375), (199, 1965625), (425, 920375), (625, 625855), (629, 621875), (925, 422875), (995, 393125), (2125, 184075), (3125, 125171), (3145, 124375), (3383, 115625), (4625, 84575), (4975, 78625), (7363, 53125), (10625, 36815), (15725, 24875), (16915, 23125)]