145891700

素因数分解:

$2^2\times 5^2\times {\mathrm{821}}^1\times {\mathrm{1777}}^1$

素因数の和:2612

約数の個数: 36

約数和(自身を含む): 317148972

約数和(自身を除く): 171257272

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 821, 1642, 1777, 3284, 3554, 4105, 7108, 8210, 8885, 16420, 17770, 20525, 35540, 41050, 44425, 82100, 88850, 177700, 1458917, 2917834, 5835668, 7294585, 14589170, 29178340, 36472925, 72945850, 145891700]

約数ペア:

[(1, 145891700), (2, 72945850), (4, 36472925), (5, 29178340), (10, 14589170), (20, 7294585), (25, 5835668), (50, 2917834), (100, 1458917), (821, 177700), (1642, 88850), (1777, 82100), (3284, 44425), (3554, 41050), (4105, 35540), (7108, 20525), (8210, 17770), (8885, 16420)]