98900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:80

約数の個数: 36

約数和(自身を含む): 229152

約数和(自身を除く): 130252

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 172, 215, 230, 430, 460, 575, 860, 989, 1075, 1150, 1978, 2150, 2300, 3956, 4300, 4945, 9890, 19780, 24725, 49450, 98900]

約数ペア:

[(1, 98900), (2, 49450), (4, 24725), (5, 19780), (10, 9890), (20, 4945), (23, 4300), (25, 3956), (43, 2300), (46, 2150), (50, 1978), (86, 1150), (92, 1075), (100, 989), (115, 860), (172, 575), (215, 460), (230, 430)]