55090000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{787}}^1$

素因数の和:822

約数の個数: 100

約数和(自身を含む): 152626144

約数和(自身を除く): 97536144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 625, 700, 787, 875, 1000, 1250, 1400, 1574, 1750, 2000, 2500, 2800, 3148, 3500, 3935, 4375, 5000, 5509, 6296, 7000, 7870, 8750, 10000, 11018, 12592, 14000, 15740, 17500, 19675, 22036, 27545, 31480, 35000, 39350, 44072, 55090, 62960, 70000, 78700, 88144, 98375, 110180, 137725, 157400, 196750, 220360, 275450, 314800, 393500, 440720, 491875, 550900, 688625, 787000, 983750, 1101800, 1377250, 1574000, 1967500, 2203600, 2754500, 3443125, 3935000, 5509000, 6886250, 7870000, 11018000, 13772500, 27545000, 55090000]

約数ペア:

[(1, 55090000), (2, 27545000), (4, 13772500), (5, 11018000), (7, 7870000), (8, 6886250), (10, 5509000), (14, 3935000), (16, 3443125), (20, 2754500), (25, 2203600), (28, 1967500), (35, 1574000), (40, 1377250), (50, 1101800), (56, 983750), (70, 787000), (80, 688625), (100, 550900), (112, 491875), (125, 440720), (140, 393500), (175, 314800), (200, 275450), (250, 220360), (280, 196750), (350, 157400), (400, 137725), (500, 110180), (560, 98375), (625, 88144), (700, 78700), (787, 70000), (875, 62960), (1000, 55090), (1250, 44072), (1400, 39350), (1574, 35000), (1750, 31480), (2000, 27545), (2500, 22036), (2800, 19675), (3148, 17500), (3500, 15740), (3935, 14000), (4375, 12592), (5000, 11018), (5509, 10000), (6296, 8750), (7000, 7870)]