2754640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4919}}^1$

素因数の和:4939

約数の個数: 40

約数和(自身を含む): 7320960

約数和(自身を除く): 4566320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4919, 9838, 19676, 24595, 34433, 39352, 49190, 68866, 78704, 98380, 137732, 172165, 196760, 275464, 344330, 393520, 550928, 688660, 1377320, 2754640]

約数ペア:

[(1, 2754640), (2, 1377320), (4, 688660), (5, 550928), (7, 393520), (8, 344330), (10, 275464), (14, 196760), (16, 172165), (20, 137732), (28, 98380), (35, 78704), (40, 68866), (56, 49190), (70, 39352), (80, 34433), (112, 24595), (140, 19676), (280, 9838), (560, 4919)]