2017362500

素因数分解:

$2^2\times 5^5\times {\mathrm{199}}^1\times {\mathrm{811}}^1$

素因数の和:1039

約数の個数: 72

約数和(自身を含む): 4440340800

約数和(自身を除く): 2422978300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 199, 250, 398, 500, 625, 796, 811, 995, 1250, 1622, 1990, 2500, 3125, 3244, 3980, 4055, 4975, 6250, 8110, 9950, 12500, 16220, 19900, 20275, 24875, 40550, 49750, 81100, 99500, 101375, 124375, 161389, 202750, 248750, 322778, 405500, 497500, 506875, 621875, 645556, 806945, 1013750, 1243750, 1613890, 2027500, 2487500, 2534375, 3227780, 4034725, 5068750, 8069450, 10137500, 16138900, 20173625, 40347250, 80694500, 100868125, 201736250, 403472500, 504340625, 1008681250, 2017362500]

約数ペア:

[(1, 2017362500), (2, 1008681250), (4, 504340625), (5, 403472500), (10, 201736250), (20, 100868125), (25, 80694500), (50, 40347250), (100, 20173625), (125, 16138900), (199, 10137500), (250, 8069450), (398, 5068750), (500, 4034725), (625, 3227780), (796, 2534375), (811, 2487500), (995, 2027500), (1250, 1613890), (1622, 1243750), (1990, 1013750), (2500, 806945), (3125, 645556), (3244, 621875), (3980, 506875), (4055, 497500), (4975, 405500), (6250, 322778), (8110, 248750), (9950, 202750), (12500, 161389), (16220, 124375), (19900, 101375), (20275, 99500), (24875, 81100), (40550, 49750)]