547420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 1165248

約数和(自身を除く): 617828

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 271, 404, 505, 542, 1010, 1084, 1355, 2020, 2710, 5420, 27371, 54742, 109484, 136855, 273710, 547420]

約数ペア:

[(1, 547420), (2, 273710), (4, 136855), (5, 109484), (10, 54742), (20, 27371), (101, 5420), (202, 2710), (271, 2020), (404, 1355), (505, 1084), (542, 1010)]