71721800

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{3697}}^1$

素因数の和:3810

約数の個数: 48

約数和(自身を含む): 168517860

約数和(自身を除く): 96796060

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 3697, 3880, 4850, 7394, 9700, 14788, 18485, 19400, 29576, 36970, 73940, 92425, 147880, 184850, 358609, 369700, 717218, 739400, 1434436, 1793045, 2868872, 3586090, 7172180, 8965225, 14344360, 17930450, 35860900, 71721800]

約数ペア:

[(1, 71721800), (2, 35860900), (4, 17930450), (5, 14344360), (8, 8965225), (10, 7172180), (20, 3586090), (25, 2868872), (40, 1793045), (50, 1434436), (97, 739400), (100, 717218), (194, 369700), (200, 358609), (388, 184850), (485, 147880), (776, 92425), (970, 73940), (1940, 36970), (2425, 29576), (3697, 19400), (3880, 18485), (4850, 14788), (7394, 9700)]