8142925

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 12697600

約数和(自身を除く): 4554675

約数列:

[1, 5, 7, 19, 25, 31, 35, 79, 95, 133, 155, 175, 217, 395, 475, 553, 589, 665, 775, 1085, 1501, 1975, 2449, 2765, 2945, 3325, 4123, 5425, 7505, 10507, 12245, 13825, 14725, 17143, 20615, 37525, 46531, 52535, 61225, 85715, 103075, 232655, 262675, 325717, 428575, 1163275, 1628585, 8142925]

約数ペア:

[(1, 8142925), (5, 1628585), (7, 1163275), (19, 428575), (25, 325717), (31, 262675), (35, 232655), (79, 103075), (95, 85715), (133, 61225), (155, 52535), (175, 46531), (217, 37525), (395, 20615), (475, 17143), (553, 14725), (589, 13825), (665, 12245), (775, 10507), (1085, 7505), (1501, 5425), (1975, 4123), (2449, 3325), (2765, 2945)]