400085812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{7753}}^1$

素因数の和:7880

約数の個数: 48

約数和(自身を含む): 851079040

約数和(自身を除く): 450993228

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 97, 133, 194, 266, 388, 532, 679, 1358, 1843, 2716, 3686, 7372, 7753, 12901, 15506, 25802, 31012, 51604, 54271, 108542, 147307, 217084, 294614, 589228, 752041, 1031149, 1504082, 2062298, 3008164, 4124596, 5264287, 10528574, 14288779, 21057148, 28577558, 57155116, 100021453, 200042906, 400085812]

約数ペア:

[(1, 400085812), (2, 200042906), (4, 100021453), (7, 57155116), (14, 28577558), (19, 21057148), (28, 14288779), (38, 10528574), (76, 5264287), (97, 4124596), (133, 3008164), (194, 2062298), (266, 1504082), (388, 1031149), (532, 752041), (679, 589228), (1358, 294614), (1843, 217084), (2716, 147307), (3686, 108542), (7372, 54271), (7753, 51604), (12901, 31012), (15506, 25802)]