42645700

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{2143}}^1$

素因数の和:2356

約数の個数: 36

約数和(自身を含む): 93049600

約数和(自身を除く): 50403900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1990, 2143, 3980, 4286, 4975, 8572, 9950, 10715, 19900, 21430, 42860, 53575, 107150, 214300, 426457, 852914, 1705828, 2132285, 4264570, 8529140, 10661425, 21322850, 42645700]

約数ペア:

[(1, 42645700), (2, 21322850), (4, 10661425), (5, 8529140), (10, 4264570), (20, 2132285), (25, 1705828), (50, 852914), (100, 426457), (199, 214300), (398, 107150), (796, 53575), (995, 42860), (1990, 21430), (2143, 19900), (3980, 10715), (4286, 9950), (4975, 8572)]