66740350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 131777280

約数和(自身を除く): 65036930

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 163, 190, 326, 431, 475, 815, 862, 950, 1630, 2155, 3097, 4075, 4310, 6194, 8150, 8189, 10775, 15485, 16378, 21550, 30970, 40945, 70253, 77425, 81890, 140506, 154850, 204725, 351265, 409450, 702530, 1334807, 1756325, 2669614, 3512650, 6674035, 13348070, 33370175, 66740350]

約数ペア:

[(1, 66740350), (2, 33370175), (5, 13348070), (10, 6674035), (19, 3512650), (25, 2669614), (38, 1756325), (50, 1334807), (95, 702530), (163, 409450), (190, 351265), (326, 204725), (431, 154850), (475, 140506), (815, 81890), (862, 77425), (950, 70253), (1630, 40945), (2155, 30970), (3097, 21550), (4075, 16378), (4310, 15485), (6194, 10775), (8150, 8189)]