1888400

素因数分解:

$2^4\times 5^2\times {\mathrm{4721}}^1$

素因数の和:4739

約数の個数: 30

約数和(自身を含む): 4537842

約数和(自身を除く): 2649442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4721, 9442, 18884, 23605, 37768, 47210, 75536, 94420, 118025, 188840, 236050, 377680, 472100, 944200, 1888400]

約数ペア:

[(1, 1888400), (2, 944200), (4, 472100), (5, 377680), (8, 236050), (10, 188840), (16, 118025), (20, 94420), (25, 75536), (40, 47210), (50, 37768), (80, 23605), (100, 18884), (200, 9442), (400, 4721)]