422838400

素因数分解:

$2^7\times 5^2\times {\mathrm{132137}}^1$

素因数の和:132161

約数の個数: 48

約数和(自身を含む): 1044550890

約数和(自身を除く): 621712490

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 132137, 264274, 528548, 660685, 1057096, 1321370, 2114192, 2642740, 3303425, 4228384, 5285480, 6606850, 8456768, 10570960, 13213700, 16913536, 21141920, 26427400, 42283840, 52854800, 84567680, 105709600, 211419200, 422838400]

約数ペア:

[(1, 422838400), (2, 211419200), (4, 105709600), (5, 84567680), (8, 52854800), (10, 42283840), (16, 26427400), (20, 21141920), (25, 16913536), (32, 13213700), (40, 10570960), (50, 8456768), (64, 6606850), (80, 5285480), (100, 4228384), (128, 3303425), (160, 2642740), (200, 2114192), (320, 1321370), (400, 1057096), (640, 660685), (800, 528548), (1600, 264274), (3200, 132137)]