213888420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1188269}}^1$

素因数の和:1188284

約数の個数: 36

約数和(自身を含む): 648795420

約数和(自身を除く): 434907000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1188269, 2376538, 3564807, 4753076, 5941345, 7129614, 10694421, 11882690, 14259228, 17824035, 21388842, 23765380, 35648070, 42777684, 53472105, 71296140, 106944210, 213888420]

約数ペア:

[(1, 213888420), (2, 106944210), (3, 71296140), (4, 53472105), (5, 42777684), (6, 35648070), (9, 23765380), (10, 21388842), (12, 17824035), (15, 14259228), (18, 11882690), (20, 10694421), (30, 7129614), (36, 5941345), (45, 4753076), (60, 3564807), (90, 2376538), (180, 1188269)]