1997860

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{523}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 4225536

約数和(自身を除く): 2227676

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 523, 764, 955, 1046, 1910, 2092, 2615, 3820, 5230, 10460, 99893, 199786, 399572, 499465, 998930, 1997860]

約数ペア:

[(1, 1997860), (2, 998930), (4, 499465), (5, 399572), (10, 199786), (20, 99893), (191, 10460), (382, 5230), (523, 3820), (764, 2615), (955, 2092), (1046, 1910)]