389623400

素因数分解:

$2^3\times 5^2\times {\mathrm{647}}^1\times {\mathrm{3011}}^1$

素因数の和:3674

約数の個数: 48

約数和(自身を含む): 907575840

約数和(自身を除く): 517952440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 647, 1294, 2588, 3011, 3235, 5176, 6022, 6470, 12044, 12940, 15055, 16175, 24088, 25880, 30110, 32350, 60220, 64700, 75275, 120440, 129400, 150550, 301100, 602200, 1948117, 3896234, 7792468, 9740585, 15584936, 19481170, 38962340, 48702925, 77924680, 97405850, 194811700, 389623400]

約数ペア:

[(1, 389623400), (2, 194811700), (4, 97405850), (5, 77924680), (8, 48702925), (10, 38962340), (20, 19481170), (25, 15584936), (40, 9740585), (50, 7792468), (100, 3896234), (200, 1948117), (647, 602200), (1294, 301100), (2588, 150550), (3011, 129400), (3235, 120440), (5176, 75275), (6022, 64700), (6470, 60220), (12044, 32350), (12940, 30110), (15055, 25880), (16175, 24088)]