1248400

素因数分解:

$2^4\times 5^2\times {\mathrm{3121}}^1$

素因数の和:3139

約数の個数: 30

約数和(自身を含む): 3000242

約数和(自身を除く): 1751842

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3121, 6242, 12484, 15605, 24968, 31210, 49936, 62420, 78025, 124840, 156050, 249680, 312100, 624200, 1248400]

約数ペア:

[(1, 1248400), (2, 624200), (4, 312100), (5, 249680), (8, 156050), (10, 124840), (16, 78025), (20, 62420), (25, 49936), (40, 31210), (50, 24968), (80, 15605), (100, 12484), (200, 6242), (400, 3121)]