209957440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8521}}^1$

素因数の和:8556

約数の個数: 112

約数和(自身を含む): 623401344

約数和(自身を除く): 413443904

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 8521, 12320, 17042, 24640, 34084, 42605, 59647, 68168, 85210, 93731, 119294, 136336, 170420, 187462, 238588, 272672, 298235, 340840, 374924, 468655, 477176, 545344, 596470, 656117, 681680, 749848, 937310, 954352, 1192940, 1312234, 1363360, 1499696, 1874620, 1908704, 2385880, 2624468, 2726720, 2999392, 3280585, 3749240, 3817408, 4771760, 5248936, 5998784, 6561170, 7498480, 9543520, 10497872, 13122340, 14996960, 19087040, 20995744, 26244680, 29993920, 41991488, 52489360, 104978720, 209957440]

約数ペア:

[(1, 209957440), (2, 104978720), (4, 52489360), (5, 41991488), (7, 29993920), (8, 26244680), (10, 20995744), (11, 19087040), (14, 14996960), (16, 13122340), (20, 10497872), (22, 9543520), (28, 7498480), (32, 6561170), (35, 5998784), (40, 5248936), (44, 4771760), (55, 3817408), (56, 3749240), (64, 3280585), (70, 2999392), (77, 2726720), (80, 2624468), (88, 2385880), (110, 1908704), (112, 1874620), (140, 1499696), (154, 1363360), (160, 1312234), (176, 1192940), (220, 954352), (224, 937310), (280, 749848), (308, 681680), (320, 656117), (352, 596470), (385, 545344), (440, 477176), (448, 468655), (560, 374924), (616, 340840), (704, 298235), (770, 272672), (880, 238588), (1120, 187462), (1232, 170420), (1540, 136336), (1760, 119294), (2240, 93731), (2464, 85210), (3080, 68168), (3520, 59647), (4928, 42605), (6160, 34084), (8521, 24640), (12320, 17042)]