216498520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{773209}}^1$

素因数の和:773227

約数の個数: 32

約数和(自身を含む): 556711200

約数和(自身を除く): 340212680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 773209, 1546418, 3092836, 3866045, 5412463, 6185672, 7732090, 10824926, 15464180, 21649852, 27062315, 30928360, 43299704, 54124630, 108249260, 216498520]

約数ペア:

[(1, 216498520), (2, 108249260), (4, 54124630), (5, 43299704), (7, 30928360), (8, 27062315), (10, 21649852), (14, 15464180), (20, 10824926), (28, 7732090), (35, 6185672), (40, 5412463), (56, 3866045), (70, 3092836), (140, 1546418), (280, 773209)]