18400760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65717}}^1$

素因数の和:65735

約数の個数: 32

約数和(自身を含む): 47316960

約数和(自身を除く): 28916200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65717, 131434, 262868, 328585, 460019, 525736, 657170, 920038, 1314340, 1840076, 2300095, 2628680, 3680152, 4600190, 9200380, 18400760]

約数ペア:

[(1, 18400760), (2, 9200380), (4, 4600190), (5, 3680152), (7, 2628680), (8, 2300095), (10, 1840076), (14, 1314340), (20, 920038), (28, 657170), (35, 525736), (40, 460019), (56, 328585), (70, 262868), (140, 131434), (280, 65717)]