290996816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{20929}}^1$

素因数の和:21027

約数の個数: 40

約数和(自身を含む): 622876800

約数和(自身を除く): 331879984

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1738, 3476, 6952, 13904, 20929, 41858, 83716, 167432, 230219, 334864, 460438, 920876, 1653391, 1841752, 3306782, 3683504, 6613564, 13227128, 18187301, 26454256, 36374602, 72749204, 145498408, 290996816]

約数ペア:

[(1, 290996816), (2, 145498408), (4, 72749204), (8, 36374602), (11, 26454256), (16, 18187301), (22, 13227128), (44, 6613564), (79, 3683504), (88, 3306782), (158, 1841752), (176, 1653391), (316, 920876), (632, 460438), (869, 334864), (1264, 230219), (1738, 167432), (3476, 83716), (6952, 41858), (13904, 20929)]