30819800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{14009}}^1$

素因数の和:14036

約数の個数: 48

約数和(自身を含む): 78175800

約数和(自身を除く): 47356000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 14009, 28018, 56036, 70045, 112072, 140090, 154099, 280180, 308198, 350225, 560360, 616396, 700450, 770495, 1232792, 1400900, 1540990, 2801800, 3081980, 3852475, 6163960, 7704950, 15409900, 30819800]

約数ペア:

[(1, 30819800), (2, 15409900), (4, 7704950), (5, 6163960), (8, 3852475), (10, 3081980), (11, 2801800), (20, 1540990), (22, 1400900), (25, 1232792), (40, 770495), (44, 700450), (50, 616396), (55, 560360), (88, 350225), (100, 308198), (110, 280180), (200, 154099), (220, 140090), (275, 112072), (440, 70045), (550, 56036), (1100, 28018), (2200, 14009)]