212980900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{193619}}^1$

素因数の和:193644

約数の個数: 36

約数和(自身を含む): 504186480

約数和(自身を除く): 291205580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 193619, 387238, 774476, 968095, 1936190, 2129809, 3872380, 4259618, 4840475, 8519236, 9680950, 10649045, 19361900, 21298090, 42596180, 53245225, 106490450, 212980900]

約数ペア:

[(1, 212980900), (2, 106490450), (4, 53245225), (5, 42596180), (10, 21298090), (11, 19361900), (20, 10649045), (22, 9680950), (25, 8519236), (44, 4840475), (50, 4259618), (55, 3872380), (100, 2129809), (110, 1936190), (220, 968095), (275, 774476), (550, 387238), (1100, 193619)]