75002800

素因数分解:

$2^4\times 5^2\times {\mathrm{187507}}^1$

素因数の和:187525

約数の個数: 30

約数和(自身を含む): 180195188

約数和(自身を除く): 105192388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 187507, 375014, 750028, 937535, 1500056, 1875070, 3000112, 3750140, 4687675, 7500280, 9375350, 15000560, 18750700, 37501400, 75002800]

約数ペア:

[(1, 75002800), (2, 37501400), (4, 18750700), (5, 15000560), (8, 9375350), (10, 7500280), (16, 4687675), (20, 3750140), (25, 3000112), (40, 1875070), (50, 1500056), (80, 937535), (100, 750028), (200, 375014), (400, 187507)]