2750493620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{40013}}^1$

素因数の和:40520

約数の個数: 48

約数和(自身を含む): 6614794368

約数和(自身を除く): 3864300748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1964, 2455, 3437, 4910, 6874, 9820, 13748, 17185, 34370, 40013, 68740, 80026, 160052, 200065, 280091, 400130, 560182, 800260, 1120364, 1400455, 2800910, 5601820, 19646383, 39292766, 78585532, 98231915, 137524681, 196463830, 275049362, 392927660, 550098724, 687623405, 1375246810, 2750493620]

約数ペア:

[(1, 2750493620), (2, 1375246810), (4, 687623405), (5, 550098724), (7, 392927660), (10, 275049362), (14, 196463830), (20, 137524681), (28, 98231915), (35, 78585532), (70, 39292766), (140, 19646383), (491, 5601820), (982, 2800910), (1964, 1400455), (2455, 1120364), (3437, 800260), (4910, 560182), (6874, 400130), (9820, 280091), (13748, 200065), (17185, 160052), (34370, 80026), (40013, 68740)]