254137520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4987}}^1$

素因数の和:5027

約数の個数: 120

約数和(自身を含む): 740358864

約数和(自身を除く): 486221344

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1820, 1960, 2548, 3185, 3640, 3920, 4987, 5096, 6370, 7280, 9974, 10192, 12740, 19948, 24935, 25480, 34909, 39896, 49870, 50960, 64831, 69818, 79792, 99740, 129662, 139636, 174545, 199480, 244363, 259324, 279272, 324155, 349090, 398960, 453817, 488726, 518648, 558544, 648310, 698180, 907634, 977452, 1037296, 1221815, 1296620, 1396360, 1815268, 1954904, 2269085, 2443630, 2593240, 2792720, 3176719, 3630536, 3909808, 4538170, 4887260, 5186480, 6353438, 7261072, 9076340, 9774520, 12706876, 15883595, 18152680, 19549040, 25413752, 31767190, 36305360, 50827504, 63534380, 127068760, 254137520]

約数ペア:

[(1, 254137520), (2, 127068760), (4, 63534380), (5, 50827504), (7, 36305360), (8, 31767190), (10, 25413752), (13, 19549040), (14, 18152680), (16, 15883595), (20, 12706876), (26, 9774520), (28, 9076340), (35, 7261072), (40, 6353438), (49, 5186480), (52, 4887260), (56, 4538170), (65, 3909808), (70, 3630536), (80, 3176719), (91, 2792720), (98, 2593240), (104, 2443630), (112, 2269085), (130, 1954904), (140, 1815268), (182, 1396360), (196, 1296620), (208, 1221815), (245, 1037296), (260, 977452), (280, 907634), (364, 698180), (392, 648310), (455, 558544), (490, 518648), (520, 488726), (560, 453817), (637, 398960), (728, 349090), (784, 324155), (910, 279272), (980, 259324), (1040, 244363), (1274, 199480), (1456, 174545), (1820, 139636), (1960, 129662), (2548, 99740), (3185, 79792), (3640, 69818), (3920, 64831), (4987, 50960), (5096, 49870), (6370, 39896), (7280, 34909), (9974, 25480), (10192, 24935), (12740, 19948)]