200511780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{477409}}^1$

素因数の和:477428

約数の個数: 48

約数和(自身を含む): 641639040

約数和(自身を除く): 441127260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 477409, 954818, 1432227, 1909636, 2387045, 2864454, 3341863, 4774090, 5728908, 6683726, 7161135, 9548180, 10025589, 13367452, 14322270, 16709315, 20051178, 28644540, 33418630, 40102356, 50127945, 66837260, 100255890, 200511780]

約数ペア:

[(1, 200511780), (2, 100255890), (3, 66837260), (4, 50127945), (5, 40102356), (6, 33418630), (7, 28644540), (10, 20051178), (12, 16709315), (14, 14322270), (15, 13367452), (20, 10025589), (21, 9548180), (28, 7161135), (30, 6683726), (35, 5728908), (42, 4774090), (60, 3341863), (70, 2864454), (84, 2387045), (105, 1909636), (140, 1432227), (210, 954818), (420, 477409)]