199439260

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{15271}}^1$

素因数の和:15933

約数の個数: 24

約数和(自身を含む): 419491296

約数和(自身を除く): 220052036

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 6530, 13060, 15271, 30542, 61084, 76355, 152710, 305420, 9971963, 19943926, 39887852, 49859815, 99719630, 199439260]

約数ペア:

[(1, 199439260), (2, 99719630), (4, 49859815), (5, 39887852), (10, 19943926), (20, 9971963), (653, 305420), (1306, 152710), (2612, 76355), (3265, 61084), (6530, 30542), (13060, 15271)]