74687890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{68521}}^1$

素因数の和:68637

約数の個数: 16

約数和(自身を含む): 135673560

約数和(自身を除く): 60985670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 68521, 137042, 342605, 685210, 7468789, 14937578, 37343945, 74687890]

約数ペア:

[(1, 74687890), (2, 37343945), (5, 14937578), (10, 7468789), (109, 685210), (218, 342605), (545, 137042), (1090, 68521)]