28682900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2957}}^1$

素因数の和:3068

約数の個数: 36

約数和(自身を含む): 62904828

約数和(自身を除く): 34221928

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 2957, 4850, 5914, 9700, 11828, 14785, 29570, 59140, 73925, 147850, 286829, 295700, 573658, 1147316, 1434145, 2868290, 5736580, 7170725, 14341450, 28682900]

約数ペア:

[(1, 28682900), (2, 14341450), (4, 7170725), (5, 5736580), (10, 2868290), (20, 1434145), (25, 1147316), (50, 573658), (97, 295700), (100, 286829), (194, 147850), (388, 73925), (485, 59140), (970, 29570), (1940, 14785), (2425, 11828), (2957, 9700), (4850, 5914)]