1974980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14107}}^1$

素因数の和:14123

約数の個数: 24

約数和(自身を含む): 4740288

約数和(自身を除く): 2765308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14107, 28214, 56428, 70535, 98749, 141070, 197498, 282140, 394996, 493745, 987490, 1974980]

約数ペア:

[(1, 1974980), (2, 987490), (4, 493745), (5, 394996), (7, 282140), (10, 197498), (14, 141070), (20, 98749), (28, 70535), (35, 56428), (70, 28214), (140, 14107)]