3818380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2689}}^1$

素因数の和:2769

約数の個数: 24

約数和(自身を含む): 8134560

約数和(自身を除く): 4316180

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2689, 5378, 10756, 13445, 26890, 53780, 190919, 381838, 763676, 954595, 1909190, 3818380]

約数ペア:

[(1, 3818380), (2, 1909190), (4, 954595), (5, 763676), (10, 381838), (20, 190919), (71, 53780), (142, 26890), (284, 13445), (355, 10756), (710, 5378), (1420, 2689)]