1489743380

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{115127}}^1$

素因数の和:115783

約数の個数: 24

約数和(自身を含む): 3133323648

約数和(自身を除く): 1643580268

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 115127, 230254, 460508, 575635, 1151270, 2302540, 74487169, 148974338, 297948676, 372435845, 744871690, 1489743380]

約数ペア:

[(1, 1489743380), (2, 744871690), (4, 372435845), (5, 297948676), (10, 148974338), (20, 74487169), (647, 2302540), (1294, 1151270), (2588, 575635), (3235, 460508), (6470, 230254), (12940, 115127)]