250398625

素因数分解:

$5^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 342351360

約数和(自身を除く): 91952735

約数列:

[1, 5, 19, 25, 31, 95, 125, 155, 179, 361, 475, 589, 775, 895, 1805, 2375, 2945, 3401, 3875, 4475, 5549, 9025, 11191, 14725, 17005, 22375, 27745, 45125, 55955, 64619, 73625, 85025, 105431, 138725, 279775, 323095, 425125, 527155, 693625, 1398875, 1615475, 2003189, 2635775, 8077375, 10015945, 13178875, 50079725, 250398625]

約数ペア:

[(1, 250398625), (5, 50079725), (19, 13178875), (25, 10015945), (31, 8077375), (95, 2635775), (125, 2003189), (155, 1615475), (179, 1398875), (361, 693625), (475, 527155), (589, 425125), (775, 323095), (895, 279775), (1805, 138725), (2375, 105431), (2945, 85025), (3401, 73625), (3875, 64619), (4475, 55955), (5549, 45125), (9025, 27745), (11191, 22375), (14725, 17005)]