1244491780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{22391}}^1$

素因数の和:22804

約数の個数: 48

約数和(自身を含む): 2994437376

約数和(自身を除く): 1749945596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3970, 5558, 7940, 11116, 13895, 22391, 27790, 44782, 55580, 89564, 111955, 156737, 223910, 313474, 447820, 626948, 783685, 1567370, 3134740, 8889227, 17778454, 35556908, 44446135, 62224589, 88892270, 124449178, 177784540, 248898356, 311122945, 622245890, 1244491780]

約数ペア:

[(1, 1244491780), (2, 622245890), (4, 311122945), (5, 248898356), (7, 177784540), (10, 124449178), (14, 88892270), (20, 62224589), (28, 44446135), (35, 35556908), (70, 17778454), (140, 8889227), (397, 3134740), (794, 1567370), (1588, 783685), (1985, 626948), (2779, 447820), (3970, 313474), (5558, 223910), (7940, 156737), (11116, 111955), (13895, 89564), (22391, 55580), (27790, 44782)]