78869140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563351}}^1$

素因数の和:563367

約数の個数: 24

約数和(自身を含む): 189286272

約数和(自身を除く): 110417132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563351, 1126702, 2253404, 2816755, 3943457, 5633510, 7886914, 11267020, 15773828, 19717285, 39434570, 78869140]

約数ペア:

[(1, 78869140), (2, 39434570), (4, 19717285), (5, 15773828), (7, 11267020), (10, 7886914), (14, 5633510), (20, 3943457), (28, 2816755), (35, 2253404), (70, 1126702), (140, 563351)]