1291206260

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{373181}}^1$

素因数の和:373363

約数の個数: 24

約数和(自身を含む): 2727214056

約数和(自身を除く): 1436007796

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 373181, 746362, 1492724, 1865905, 3731810, 7463620, 64560313, 129120626, 258241252, 322801565, 645603130, 1291206260]

約数ペア:

[(1, 1291206260), (2, 645603130), (4, 322801565), (5, 258241252), (10, 129120626), (20, 64560313), (173, 7463620), (346, 3731810), (692, 1865905), (865, 1492724), (1730, 746362), (3460, 373181)]