30916400

素因数分解:

$2^4\times 5^2\times {\mathrm{77291}}^1$

素因数の和:77309

約数の個数: 30

約数和(自身を含む): 74277612

約数和(自身を除く): 43361212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 77291, 154582, 309164, 386455, 618328, 772910, 1236656, 1545820, 1932275, 3091640, 3864550, 6183280, 7729100, 15458200, 30916400]

約数ペア:

[(1, 30916400), (2, 15458200), (4, 7729100), (5, 6183280), (8, 3864550), (10, 3091640), (16, 1932275), (20, 1545820), (25, 1236656), (40, 772910), (50, 618328), (80, 386455), (100, 309164), (200, 154582), (400, 77291)]