428103580

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{112069}}^1$

素因数の和:112269

約数の個数: 24

約数和(自身を含む): 903732480

約数和(自身を除く): 475628900

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 112069, 224138, 448276, 560345, 1120690, 2241380, 21405179, 42810358, 85620716, 107025895, 214051790, 428103580]

約数ペア:

[(1, 428103580), (2, 214051790), (4, 107025895), (5, 85620716), (10, 42810358), (20, 21405179), (191, 2241380), (382, 1120690), (764, 560345), (955, 448276), (1910, 224138), (3820, 112069)]