201877420

素因数分解:

$2^2\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{5179}}^1$

素因数の和:7137

約数の個数: 24

約数和(自身を含む): 424242000

約数和(自身を除く): 222364580

約数列:

[1, 2, 4, 5, 10, 20, 1949, 3898, 5179, 7796, 9745, 10358, 19490, 20716, 25895, 38980, 51790, 103580, 10093871, 20187742, 40375484, 50469355, 100938710, 201877420]

約数ペア:

[(1, 201877420), (2, 100938710), (4, 50469355), (5, 40375484), (10, 20187742), (20, 10093871), (1949, 103580), (3898, 51790), (5179, 38980), (7796, 25895), (9745, 20716), (10358, 19490)]