12707321900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199487}}^1$

素因数の和:199528

約数の個数: 108

約数和(自身を含む): 34544539008

約数和(自身を除く): 21837217108

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 175, 182, 196, 245, 260, 325, 350, 364, 455, 490, 637, 650, 700, 910, 980, 1225, 1274, 1300, 1820, 2275, 2450, 2548, 3185, 4550, 4900, 6370, 9100, 12740, 15925, 31850, 63700, 199487, 398974, 797948, 997435, 1396409, 1994870, 2593331, 2792818, 3989740, 4987175, 5186662, 5585636, 6982045, 9774863, 9974350, 10373324, 12966655, 13964090, 18153317, 19549726, 19948700, 25933310, 27928180, 34910225, 36306634, 39099452, 48874315, 51866620, 64833275, 69820450, 72613268, 90766585, 97748630, 127073219, 129666550, 139640900, 181533170, 195497260, 244371575, 254146438, 259333100, 363066340, 453832925, 488743150, 508292876, 635366095, 907665850, 977486300, 1270732190, 1815331700, 2541464380, 3176830475, 6353660950, 12707321900]

約数ペア:

[(1, 12707321900), (2, 6353660950), (4, 3176830475), (5, 2541464380), (7, 1815331700), (10, 1270732190), (13, 977486300), (14, 907665850), (20, 635366095), (25, 508292876), (26, 488743150), (28, 453832925), (35, 363066340), (49, 259333100), (50, 254146438), (52, 244371575), (65, 195497260), (70, 181533170), (91, 139640900), (98, 129666550), (100, 127073219), (130, 97748630), (140, 90766585), (175, 72613268), (182, 69820450), (196, 64833275), (245, 51866620), (260, 48874315), (325, 39099452), (350, 36306634), (364, 34910225), (455, 27928180), (490, 25933310), (637, 19948700), (650, 19549726), (700, 18153317), (910, 13964090), (980, 12966655), (1225, 10373324), (1274, 9974350), (1300, 9774863), (1820, 6982045), (2275, 5585636), (2450, 5186662), (2548, 4987175), (3185, 3989740), (4550, 2792818), (4900, 2593331), (6370, 1994870), (9100, 1396409), (12740, 997435), (15925, 797948), (31850, 398974), (63700, 199487)]