2019011960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7210757}}^1$

素因数の和:7210775

約数の個数: 32

約数和(自身を含む): 5191745760

約数和(自身を除く): 3172733800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7210757, 14421514, 28843028, 36053785, 50475299, 57686056, 72107570, 100950598, 144215140, 201901196, 252376495, 288430280, 403802392, 504752990, 1009505980, 2019011960]

約数ペア:

[(1, 2019011960), (2, 1009505980), (4, 504752990), (5, 403802392), (7, 288430280), (8, 252376495), (10, 201901196), (14, 144215140), (20, 100950598), (28, 72107570), (35, 57686056), (40, 50475299), (56, 36053785), (70, 28843028), (140, 14421514), (280, 7210757)]