12219400

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 28725840

約数和(自身を除く): 16506440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 571, 856, 1070, 1142, 2140, 2284, 2675, 2855, 4280, 4568, 5350, 5710, 10700, 11420, 14275, 21400, 22840, 28550, 57100, 61097, 114200, 122194, 244388, 305485, 488776, 610970, 1221940, 1527425, 2443880, 3054850, 6109700, 12219400]

約数ペア:

[(1, 12219400), (2, 6109700), (4, 3054850), (5, 2443880), (8, 1527425), (10, 1221940), (20, 610970), (25, 488776), (40, 305485), (50, 244388), (100, 122194), (107, 114200), (200, 61097), (214, 57100), (428, 28550), (535, 22840), (571, 21400), (856, 14275), (1070, 11420), (1142, 10700), (2140, 5710), (2284, 5350), (2675, 4568), (2855, 4280)]