72480380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{517717}}^1$

素因数の和:517733

約数の個数: 24

約数和(自身を含む): 173953248

約数和(自身を除く): 101472868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 517717, 1035434, 2070868, 2588585, 3624019, 5177170, 7248038, 10354340, 14496076, 18120095, 36240190, 72480380]

約数ペア:

[(1, 72480380), (2, 36240190), (4, 18120095), (5, 14496076), (7, 10354340), (10, 7248038), (14, 5177170), (20, 3624019), (28, 2588585), (35, 2070868), (70, 1035434), (140, 517717)]