11257540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 27224064

約数和(自身を除く): 15966524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 421, 764, 842, 955, 1337, 1684, 1910, 2105, 2674, 2947, 3820, 4210, 5348, 5894, 6685, 8420, 11788, 13370, 14735, 26740, 29470, 58940, 80411, 160822, 321644, 402055, 562877, 804110, 1125754, 1608220, 2251508, 2814385, 5628770, 11257540]

約数ペア:

[(1, 11257540), (2, 5628770), (4, 2814385), (5, 2251508), (7, 1608220), (10, 1125754), (14, 804110), (20, 562877), (28, 402055), (35, 321644), (70, 160822), (140, 80411), (191, 58940), (382, 29470), (421, 26740), (764, 14735), (842, 13370), (955, 11788), (1337, 8420), (1684, 6685), (1910, 5894), (2105, 5348), (2674, 4210), (2947, 3820)]