99916400

素因数分解:

$2^4\times 5^2\times {\mathrm{439}}^1\times {\mathrm{569}}^1$

素因数の和:1026

約数の個数: 60

約数和(自身を含む): 241018800

約数和(自身を除く): 141102400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 439, 569, 878, 1138, 1756, 2195, 2276, 2845, 3512, 4390, 4552, 5690, 7024, 8780, 9104, 10975, 11380, 14225, 17560, 21950, 22760, 28450, 35120, 43900, 45520, 56900, 87800, 113800, 175600, 227600, 249791, 499582, 999164, 1248955, 1998328, 2497910, 3996656, 4995820, 6244775, 9991640, 12489550, 19983280, 24979100, 49958200, 99916400]

約数ペア:

[(1, 99916400), (2, 49958200), (4, 24979100), (5, 19983280), (8, 12489550), (10, 9991640), (16, 6244775), (20, 4995820), (25, 3996656), (40, 2497910), (50, 1998328), (80, 1248955), (100, 999164), (200, 499582), (400, 249791), (439, 227600), (569, 175600), (878, 113800), (1138, 87800), (1756, 56900), (2195, 45520), (2276, 43900), (2845, 35120), (3512, 28450), (4390, 22760), (4552, 21950), (5690, 17560), (7024, 14225), (8780, 11380), (9104, 10975)]