264718580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{270121}}^1$

素因数の和:270144

約数の個数: 36

約数和(自身を含む): 646672068

約数和(自身を除く): 381953488

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 270121, 540242, 1080484, 1350605, 1890847, 2701210, 3781694, 5402420, 7563388, 9454235, 13235929, 18908470, 26471858, 37816940, 52943716, 66179645, 132359290, 264718580]

約数ペア:

[(1, 264718580), (2, 132359290), (4, 66179645), (5, 52943716), (7, 37816940), (10, 26471858), (14, 18908470), (20, 13235929), (28, 9454235), (35, 7563388), (49, 5402420), (70, 3781694), (98, 2701210), (140, 1890847), (196, 1350605), (245, 1080484), (490, 540242), (980, 270121)]