200904400

素因数分解:

$2^4\times 5^2\times {\mathrm{502261}}^1$

素因数の和:502279

約数の個数: 30

約数和(自身を含む): 482673782

約数和(自身を除く): 281769382

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 502261, 1004522, 2009044, 2511305, 4018088, 5022610, 8036176, 10045220, 12556525, 20090440, 25113050, 40180880, 50226100, 100452200, 200904400]

約数ペア:

[(1, 200904400), (2, 100452200), (4, 50226100), (5, 40180880), (8, 25113050), (10, 20090440), (16, 12556525), (20, 10045220), (25, 8036176), (40, 5022610), (50, 4018088), (80, 2511305), (100, 2009044), (200, 1004522), (400, 502261)]