77988260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557059}}^1$

素因数の和:557075

約数の個数: 24

約数和(自身を含む): 187172160

約数和(自身を除く): 109183900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557059, 1114118, 2228236, 2785295, 3899413, 5570590, 7798826, 11141180, 15597652, 19497065, 38994130, 77988260]

約数ペア:

[(1, 77988260), (2, 38994130), (4, 19497065), (5, 15597652), (7, 11141180), (10, 7798826), (14, 5570590), (20, 3899413), (28, 2785295), (35, 2228236), (70, 1114118), (140, 557059)]