11243750

素因数分解:

$2^1\times 5^5\times 7^1\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 24185952

約数和(自身を除く): 12942202

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 257, 350, 514, 625, 875, 1250, 1285, 1750, 1799, 2570, 3125, 3598, 4375, 6250, 6425, 8750, 8995, 12850, 17990, 21875, 32125, 43750, 44975, 64250, 89950, 160625, 224875, 321250, 449750, 803125, 1124375, 1606250, 2248750, 5621875, 11243750]

約数ペア:

[(1, 11243750), (2, 5621875), (5, 2248750), (7, 1606250), (10, 1124375), (14, 803125), (25, 449750), (35, 321250), (50, 224875), (70, 160625), (125, 89950), (175, 64250), (250, 44975), (257, 43750), (350, 32125), (514, 21875), (625, 17990), (875, 12850), (1250, 8995), (1285, 8750), (1750, 6425), (1799, 6250), (2570, 4375), (3125, 3598)]