202123450

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 387798840

約数和(自身を除く): 185675390

約数列:

[1, 2, 5, 10, 25, 50, 53, 89, 106, 178, 265, 445, 530, 857, 890, 1325, 1714, 2225, 2650, 4285, 4450, 4717, 8570, 9434, 21425, 23585, 42850, 45421, 47170, 76273, 90842, 117925, 152546, 227105, 235850, 381365, 454210, 762730, 1135525, 1906825, 2271050, 3813650, 4042469, 8084938, 20212345, 40424690, 101061725, 202123450]

約数ペア:

[(1, 202123450), (2, 101061725), (5, 40424690), (10, 20212345), (25, 8084938), (50, 4042469), (53, 3813650), (89, 2271050), (106, 1906825), (178, 1135525), (265, 762730), (445, 454210), (530, 381365), (857, 235850), (890, 227105), (1325, 152546), (1714, 117925), (2225, 90842), (2650, 76273), (4285, 47170), (4450, 45421), (4717, 42850), (8570, 23585), (9434, 21425)]