2012021872

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{20117}}^1$

素因数の和:20198

約数の個数: 80

約数和(自身を含む): 4789693440

約数和(自身を除く): 2777671568

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 47, 56, 76, 94, 112, 133, 152, 188, 266, 304, 329, 376, 532, 658, 752, 893, 1064, 1316, 1786, 2128, 2632, 3572, 5264, 6251, 7144, 12502, 14288, 20117, 25004, 40234, 50008, 80468, 100016, 140819, 160936, 281638, 321872, 382223, 563276, 764446, 945499, 1126552, 1528892, 1890998, 2253104, 2675561, 3057784, 3781996, 5351122, 6115568, 6618493, 7563992, 10702244, 13236986, 15127984, 17964481, 21404488, 26473972, 35928962, 42808976, 52947944, 71857924, 105895888, 125751367, 143715848, 251502734, 287431696, 503005468, 1006010936, 2012021872]

約数ペア:

[(1, 2012021872), (2, 1006010936), (4, 503005468), (7, 287431696), (8, 251502734), (14, 143715848), (16, 125751367), (19, 105895888), (28, 71857924), (38, 52947944), (47, 42808976), (56, 35928962), (76, 26473972), (94, 21404488), (112, 17964481), (133, 15127984), (152, 13236986), (188, 10702244), (266, 7563992), (304, 6618493), (329, 6115568), (376, 5351122), (532, 3781996), (658, 3057784), (752, 2675561), (893, 2253104), (1064, 1890998), (1316, 1528892), (1786, 1126552), (2128, 945499), (2632, 764446), (3572, 563276), (5264, 382223), (6251, 321872), (7144, 281638), (12502, 160936), (14288, 140819), (20117, 100016), (25004, 80468), (40234, 50008)]