78982100

素因数分解:

$2^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{3449}}^1$

素因数の和:3692

約数の個数: 36

約数和(自身を含む): 172189500

約数和(自身を除く): 93207400

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 229, 458, 916, 1145, 2290, 3449, 4580, 5725, 6898, 11450, 13796, 17245, 22900, 34490, 68980, 86225, 172450, 344900, 789821, 1579642, 3159284, 3949105, 7898210, 15796420, 19745525, 39491050, 78982100]

約数ペア:

[(1, 78982100), (2, 39491050), (4, 19745525), (5, 15796420), (10, 7898210), (20, 3949105), (25, 3159284), (50, 1579642), (100, 789821), (229, 344900), (458, 172450), (916, 86225), (1145, 68980), (2290, 34490), (3449, 22900), (4580, 17245), (5725, 13796), (6898, 11450)]