1282700

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 2833152

約数和(自身を除く): 1550452

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 127, 202, 254, 404, 505, 508, 635, 1010, 1270, 2020, 2525, 2540, 3175, 5050, 6350, 10100, 12700, 12827, 25654, 51308, 64135, 128270, 256540, 320675, 641350, 1282700]

約数ペア:

[(1, 1282700), (2, 641350), (4, 320675), (5, 256540), (10, 128270), (20, 64135), (25, 51308), (50, 25654), (100, 12827), (101, 12700), (127, 10100), (202, 6350), (254, 5050), (404, 3175), (505, 2540), (508, 2525), (635, 2020), (1010, 1270)]