1988980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14207}}^1$

素因数の和:14223

約数の個数: 24

約数和(自身を含む): 4773888

約数和(自身を除く): 2784908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14207, 28414, 56828, 71035, 99449, 142070, 198898, 284140, 397796, 497245, 994490, 1988980]

約数ペア:

[(1, 1988980), (2, 994490), (4, 497245), (5, 397796), (7, 284140), (10, 198898), (14, 142070), (20, 99449), (28, 71035), (35, 56828), (70, 28414), (140, 14207)]