212214520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{757909}}^1$

素因数の和:757927

約数の個数: 32

約数和(自身を含む): 545695200

約数和(自身を除く): 333480680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 757909, 1515818, 3031636, 3789545, 5305363, 6063272, 7579090, 10610726, 15158180, 21221452, 26526815, 30316360, 42442904, 53053630, 106107260, 212214520]

約数ペア:

[(1, 212214520), (2, 106107260), (4, 53053630), (5, 42442904), (7, 30316360), (8, 26526815), (10, 21221452), (14, 15158180), (20, 10610726), (28, 7579090), (35, 6063272), (40, 5305363), (56, 3789545), (70, 3031636), (140, 1515818), (280, 757909)]