27545000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{787}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 73851360

約数和(自身を除く): 46306360

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, 625, 700, 787, 875, 1000, 1250, 1400, 1574, 1750, 2500, 3148, 3500, 3935, 4375, 5000, 5509, 6296, 7000, 7870, 8750, 11018, 15740, 17500, 19675, 22036, 27545, 31480, 35000, 39350, 44072, 55090, 78700, 98375, 110180, 137725, 157400, 196750, 220360, 275450, 393500, 491875, 550900, 688625, 787000, 983750, 1101800, 1377250, 1967500, 2754500, 3443125, 3935000, 5509000, 6886250, 13772500, 27545000]

約数ペア:

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