210805840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{53777}}^1$

素因数の和:53804

約数の個数: 60

約数和(自身を含む): 570154356

約数和(自身を除く): 359348516

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 53777, 107554, 215108, 268885, 376439, 430216, 537770, 752878, 860432, 1075540, 1505756, 1882195, 2151080, 2635073, 3011512, 3764390, 4302160, 5270146, 6023024, 7528780, 10540292, 13175365, 15057560, 21080584, 26350730, 30115120, 42161168, 52701460, 105402920, 210805840]

約数ペア:

[(1, 210805840), (2, 105402920), (4, 52701460), (5, 42161168), (7, 30115120), (8, 26350730), (10, 21080584), (14, 15057560), (16, 13175365), (20, 10540292), (28, 7528780), (35, 6023024), (40, 5270146), (49, 4302160), (56, 3764390), (70, 3011512), (80, 2635073), (98, 2151080), (112, 1882195), (140, 1505756), (196, 1075540), (245, 860432), (280, 752878), (392, 537770), (490, 430216), (560, 376439), (784, 268885), (980, 215108), (1960, 107554), (3920, 53777)]