127561400

素因数分解:

$2^3\times 5^2\times {\mathrm{571}}^1\times {\mathrm{1117}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 297365640

約数和(自身を除く): 169804240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 571, 1117, 1142, 2234, 2284, 2855, 4468, 4568, 5585, 5710, 8936, 11170, 11420, 14275, 22340, 22840, 27925, 28550, 44680, 55850, 57100, 111700, 114200, 223400, 637807, 1275614, 2551228, 3189035, 5102456, 6378070, 12756140, 15945175, 25512280, 31890350, 63780700, 127561400]

約数ペア:

[(1, 127561400), (2, 63780700), (4, 31890350), (5, 25512280), (8, 15945175), (10, 12756140), (20, 6378070), (25, 5102456), (40, 3189035), (50, 2551228), (100, 1275614), (200, 637807), (571, 223400), (1117, 114200), (1142, 111700), (2234, 57100), (2284, 55850), (2855, 44680), (4468, 28550), (4568, 27925), (5585, 22840), (5710, 22340), (8936, 14275), (11170, 11420)]