253965890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 502951680

約数和(自身を除く): 248985790

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 83, 85, 166, 170, 205, 410, 415, 439, 697, 830, 878, 1394, 1411, 2195, 2822, 3403, 3485, 4390, 6806, 6970, 7055, 7463, 14110, 14926, 17015, 17999, 34030, 35998, 36437, 37315, 57851, 72874, 74630, 89995, 115702, 179990, 182185, 289255, 305983, 364370, 578510, 611966, 619429, 1238858, 1493917, 1529915, 2987834, 3059830, 3097145, 6194290, 7469585, 14939170, 25396589, 50793178, 126982945, 253965890]

約数ペア:

[(1, 253965890), (2, 126982945), (5, 50793178), (10, 25396589), (17, 14939170), (34, 7469585), (41, 6194290), (82, 3097145), (83, 3059830), (85, 2987834), (166, 1529915), (170, 1493917), (205, 1238858), (410, 619429), (415, 611966), (439, 578510), (697, 364370), (830, 305983), (878, 289255), (1394, 182185), (1411, 179990), (2195, 115702), (2822, 89995), (3403, 74630), (3485, 72874), (4390, 57851), (6806, 37315), (6970, 36437), (7055, 35998), (7463, 34030), (14110, 17999), (14926, 17015)]