3996100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:552

約数の個数: 36

約数和(自身を含む): 8788500

約数和(自身を除く): 4792400

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 449, 890, 898, 1780, 1796, 2225, 2245, 4450, 4490, 8900, 8980, 11225, 22450, 39961, 44900, 79922, 159844, 199805, 399610, 799220, 999025, 1998050, 3996100]

約数ペア:

[(1, 3996100), (2, 1998050), (4, 999025), (5, 799220), (10, 399610), (20, 199805), (25, 159844), (50, 79922), (89, 44900), (100, 39961), (178, 22450), (356, 11225), (445, 8980), (449, 8900), (890, 4490), (898, 4450), (1780, 2245), (1796, 2225)]