453040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{809}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 1205280

約数和(自身を除く): 752240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 809, 1618, 3236, 4045, 5663, 6472, 8090, 11326, 12944, 16180, 22652, 28315, 32360, 45304, 56630, 64720, 90608, 113260, 226520, 453040]

約数ペア:

[(1, 453040), (2, 226520), (4, 113260), (5, 90608), (7, 64720), (8, 56630), (10, 45304), (14, 32360), (16, 28315), (20, 22652), (28, 16180), (35, 12944), (40, 11326), (56, 8090), (70, 6472), (80, 5663), (112, 4045), (140, 3236), (280, 1618), (560, 809)]