201949880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{458977}}^1$

素因数の和:458999

約数の個数: 32

約数和(自身を含む): 495696240

約数和(自身を除く): 293746360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 458977, 917954, 1835908, 2294885, 3671816, 4589770, 5048747, 9179540, 10097494, 18359080, 20194988, 25243735, 40389976, 50487470, 100974940, 201949880]

約数ペア:

[(1, 201949880), (2, 100974940), (4, 50487470), (5, 40389976), (8, 25243735), (10, 20194988), (11, 18359080), (20, 10097494), (22, 9179540), (40, 5048747), (44, 4589770), (55, 3671816), (88, 2294885), (110, 1835908), (220, 917954), (440, 458977)]