200706520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{716809}}^1$

素因数の和:716827

約数の個数: 32

約数和(自身を含む): 516103200

約数和(自身を除く): 315396680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 716809, 1433618, 2867236, 3584045, 5017663, 5734472, 7168090, 10035326, 14336180, 20070652, 25088315, 28672360, 40141304, 50176630, 100353260, 200706520]

約数ペア:

[(1, 200706520), (2, 100353260), (4, 50176630), (5, 40141304), (7, 28672360), (8, 25088315), (10, 20070652), (14, 14336180), (20, 10035326), (28, 7168090), (35, 5734472), (40, 5017663), (56, 3584045), (70, 2867236), (140, 1433618), (280, 716809)]