64884260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{463459}}^1$

素因数の和:463475

約数の個数: 24

約数和(自身を含む): 155722560

約数和(自身を除く): 90838300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 463459, 926918, 1853836, 2317295, 3244213, 4634590, 6488426, 9269180, 12976852, 16221065, 32442130, 64884260]

約数ペア:

[(1, 64884260), (2, 32442130), (4, 16221065), (5, 12976852), (7, 9269180), (10, 6488426), (14, 4634590), (20, 3244213), (28, 2317295), (35, 1853836), (70, 926918), (140, 463459)]