1640380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11717}}^1$

素因数の和:11733

約数の個数: 24

約数和(自身を含む): 3937248

約数和(自身を除く): 2296868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11717, 23434, 46868, 58585, 82019, 117170, 164038, 234340, 328076, 410095, 820190, 1640380]

約数ペア:

[(1, 1640380), (2, 820190), (4, 410095), (5, 328076), (7, 234340), (10, 164038), (14, 117170), (20, 82019), (28, 58585), (35, 46868), (70, 23434), (140, 11717)]