55489000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{7927}}^1$

素因数の和:7955

約数の個数: 64

約数和(自身を含む): 148412160

約数和(自身を除く): 92923160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 7927, 15854, 31708, 39635, 55489, 63416, 79270, 110978, 158540, 198175, 221956, 277445, 317080, 396350, 443912, 554890, 792700, 990875, 1109780, 1387225, 1585400, 1981750, 2219560, 2774450, 3963500, 5548900, 6936125, 7927000, 11097800, 13872250, 27744500, 55489000]

約数ペア:

[(1, 55489000), (2, 27744500), (4, 13872250), (5, 11097800), (7, 7927000), (8, 6936125), (10, 5548900), (14, 3963500), (20, 2774450), (25, 2219560), (28, 1981750), (35, 1585400), (40, 1387225), (50, 1109780), (56, 990875), (70, 792700), (100, 554890), (125, 443912), (140, 396350), (175, 317080), (200, 277445), (250, 221956), (280, 198175), (350, 158540), (500, 110978), (700, 79270), (875, 63416), (1000, 55489), (1400, 39635), (1750, 31708), (3500, 15854), (7000, 7927)]