1291228750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{853}}^1$

素因数の和:1055

約数の個数: 80

約数和(自身を含む): 2785283424

約数和(自身を除く): 1494054674

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 173, 175, 250, 346, 350, 625, 853, 865, 875, 1211, 1250, 1706, 1730, 1750, 2422, 4265, 4325, 4375, 5971, 6055, 8530, 8650, 8750, 11942, 12110, 21325, 21625, 29855, 30275, 42650, 43250, 59710, 60550, 106625, 108125, 147569, 149275, 151375, 213250, 216250, 295138, 298550, 302750, 533125, 737845, 746375, 756875, 1032983, 1066250, 1475690, 1492750, 1513750, 2065966, 3689225, 3731875, 5164915, 7378450, 7463750, 10329830, 18446125, 25824575, 36892250, 51649150, 92230625, 129122875, 184461250, 258245750, 645614375, 1291228750]

約数ペア:

[(1, 1291228750), (2, 645614375), (5, 258245750), (7, 184461250), (10, 129122875), (14, 92230625), (25, 51649150), (35, 36892250), (50, 25824575), (70, 18446125), (125, 10329830), (173, 7463750), (175, 7378450), (250, 5164915), (346, 3731875), (350, 3689225), (625, 2065966), (853, 1513750), (865, 1492750), (875, 1475690), (1211, 1066250), (1250, 1032983), (1706, 756875), (1730, 746375), (1750, 737845), (2422, 533125), (4265, 302750), (4325, 298550), (4375, 295138), (5971, 216250), (6055, 213250), (8530, 151375), (8650, 149275), (8750, 147569), (11942, 108125), (12110, 106625), (21325, 60550), (21625, 59710), (29855, 43250), (30275, 42650)]