17961799700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{69431}}^1$

素因数の和:69657

約数の個数: 72

約数和(自身を含む): 42186883200

約数和(自身を除く): 24225083500

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 199, 260, 325, 398, 650, 796, 995, 1300, 1990, 2587, 3980, 4975, 5174, 9950, 10348, 12935, 19900, 25870, 51740, 64675, 69431, 129350, 138862, 258700, 277724, 347155, 694310, 902603, 1388620, 1735775, 1805206, 3471550, 3610412, 4513015, 6943100, 9026030, 13816769, 18052060, 22565075, 27633538, 45130150, 55267076, 69083845, 90260300, 138167690, 179617997, 276335380, 345419225, 359235994, 690838450, 718471988, 898089985, 1381676900, 1796179970, 3592359940, 4490449925, 8980899850, 17961799700]

約数ペア:

[(1, 17961799700), (2, 8980899850), (4, 4490449925), (5, 3592359940), (10, 1796179970), (13, 1381676900), (20, 898089985), (25, 718471988), (26, 690838450), (50, 359235994), (52, 345419225), (65, 276335380), (100, 179617997), (130, 138167690), (199, 90260300), (260, 69083845), (325, 55267076), (398, 45130150), (650, 27633538), (796, 22565075), (995, 18052060), (1300, 13816769), (1990, 9026030), (2587, 6943100), (3980, 4513015), (4975, 3610412), (5174, 3471550), (9950, 1805206), (10348, 1735775), (12935, 1388620), (19900, 902603), (25870, 694310), (51740, 347155), (64675, 277724), (69431, 258700), (129350, 138862)]