124408400

素因数分解:

$2^4\times 5^2\times {\mathrm{311021}}^1$

素因数の和:311039

約数の個数: 30

約数和(自身を含む): 298892142

約数和(自身を除く): 174483742

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 311021, 622042, 1244084, 1555105, 2488168, 3110210, 4976336, 6220420, 7775525, 12440840, 15551050, 24881680, 31102100, 62204200, 124408400]

約数ペア:

[(1, 124408400), (2, 62204200), (4, 31102100), (5, 24881680), (8, 15551050), (10, 12440840), (16, 7775525), (20, 6220420), (25, 4976336), (40, 3110210), (50, 2488168), (80, 1555105), (100, 1244084), (200, 622042), (400, 311021)]