211982960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12211}}^1$

素因数の和:12262

約数の個数: 80

約数和(自身を含む): 581486592

約数和(自身を除く): 369503632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12211, 17360, 24422, 48844, 61055, 85477, 97688, 122110, 170954, 195376, 244220, 341908, 378541, 427385, 488440, 683816, 757082, 854770, 976880, 1367632, 1514164, 1709540, 1892705, 2649787, 3028328, 3419080, 3785410, 5299574, 6056656, 6838160, 7570820, 10599148, 13248935, 15141640, 21198296, 26497870, 30283280, 42396592, 52995740, 105991480, 211982960]

約数ペア:

[(1, 211982960), (2, 105991480), (4, 52995740), (5, 42396592), (7, 30283280), (8, 26497870), (10, 21198296), (14, 15141640), (16, 13248935), (20, 10599148), (28, 7570820), (31, 6838160), (35, 6056656), (40, 5299574), (56, 3785410), (62, 3419080), (70, 3028328), (80, 2649787), (112, 1892705), (124, 1709540), (140, 1514164), (155, 1367632), (217, 976880), (248, 854770), (280, 757082), (310, 683816), (434, 488440), (496, 427385), (560, 378541), (620, 341908), (868, 244220), (1085, 195376), (1240, 170954), (1736, 122110), (2170, 97688), (2480, 85477), (3472, 61055), (4340, 48844), (8680, 24422), (12211, 17360)]