201657100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2039}}^1$

素因数の和:2119

約数の個数: 72

約数和(自身を含む): 467470080

約数和(自身を除く): 265812980

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, 2039, 2150, 2300, 3956, 4078, 4300, 4945, 8156, 9890, 10195, 19780, 20390, 24725, 40780, 46897, 49450, 50975, 87677, 93794, 98900, 101950, 175354, 187588, 203900, 234485, 350708, 438385, 468970, 876770, 937940, 1172425, 1753540, 2016571, 2191925, 2344850, 4033142, 4383850, 4689700, 8066284, 8767700, 10082855, 20165710, 40331420, 50414275, 100828550, 201657100]

約数ペア:

[(1, 201657100), (2, 100828550), (4, 50414275), (5, 40331420), (10, 20165710), (20, 10082855), (23, 8767700), (25, 8066284), (43, 4689700), (46, 4383850), (50, 4033142), (86, 2344850), (92, 2191925), (100, 2016571), (115, 1753540), (172, 1172425), (215, 937940), (230, 876770), (430, 468970), (460, 438385), (575, 350708), (860, 234485), (989, 203900), (1075, 187588), (1150, 175354), (1978, 101950), (2039, 98900), (2150, 93794), (2300, 87677), (3956, 50975), (4078, 49450), (4300, 46897), (4945, 40780), (8156, 24725), (9890, 20390), (10195, 19780)]