388660808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1039}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 808704000

約数和(自身を除く): 420043192

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 107, 152, 184, 214, 428, 437, 856, 874, 1039, 1748, 2033, 2078, 2461, 3496, 4066, 4156, 4922, 8132, 8312, 9844, 16264, 19688, 19741, 23897, 39482, 46759, 47794, 78964, 93518, 95588, 111173, 157928, 187036, 191176, 222346, 374072, 444692, 454043, 889384, 908086, 1816172, 2112287, 2556979, 3632344, 4224574, 5113958, 8449148, 10227916, 16898296, 20455832, 48582601, 97165202, 194330404, 388660808]

約数ペア:

[(1, 388660808), (2, 194330404), (4, 97165202), (8, 48582601), (19, 20455832), (23, 16898296), (38, 10227916), (46, 8449148), (76, 5113958), (92, 4224574), (107, 3632344), (152, 2556979), (184, 2112287), (214, 1816172), (428, 908086), (437, 889384), (856, 454043), (874, 444692), (1039, 374072), (1748, 222346), (2033, 191176), (2078, 187036), (2461, 157928), (3496, 111173), (4066, 95588), (4156, 93518), (4922, 78964), (8132, 47794), (8312, 46759), (9844, 39482), (16264, 23897), (19688, 19741)]