305105780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2179327}}^1$

素因数の和:2179343

約数の個数: 24

約数和(自身を含む): 732254208

約数和(自身を除く): 427148428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2179327, 4358654, 8717308, 10896635, 15255289, 21793270, 30510578, 43586540, 61021156, 76276445, 152552890, 305105780]

約数ペア:

[(1, 305105780), (2, 152552890), (4, 76276445), (5, 61021156), (7, 43586540), (10, 30510578), (14, 21793270), (20, 15255289), (28, 10896635), (35, 8717308), (70, 4358654), (140, 2179327)]