200989900

素因数分解:

$2^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{9013}}^1$

素因数の和:9250

約数の個数: 36

約数和(自身を含む): 438152512

約数和(自身を除く): 237162612

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 223, 446, 892, 1115, 2230, 4460, 5575, 9013, 11150, 18026, 22300, 36052, 45065, 90130, 180260, 225325, 450650, 901300, 2009899, 4019798, 8039596, 10049495, 20098990, 40197980, 50247475, 100494950, 200989900]

約数ペア:

[(1, 200989900), (2, 100494950), (4, 50247475), (5, 40197980), (10, 20098990), (20, 10049495), (25, 8039596), (50, 4019798), (100, 2009899), (223, 901300), (446, 450650), (892, 225325), (1115, 180260), (2230, 90130), (4460, 45065), (5575, 36052), (9013, 22300), (11150, 18026)]