54308690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 99792000

約数和(自身を除く): 45483310

約数列:

[1, 2, 5, 10, 89, 139, 178, 278, 439, 445, 695, 878, 890, 1390, 2195, 4390, 12371, 24742, 39071, 61021, 61855, 78142, 122042, 123710, 195355, 305105, 390710, 610210, 5430869, 10861738, 27154345, 54308690]

約数ペア:

[(1, 54308690), (2, 27154345), (5, 10861738), (10, 5430869), (89, 610210), (139, 390710), (178, 305105), (278, 195355), (439, 123710), (445, 122042), (695, 78142), (878, 61855), (890, 61021), (1390, 39071), (2195, 24742), (4390, 12371)]