128434390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{262111}}^1$

素因数の和:262132

約数の個数: 24

約数和(自身を含む): 268926912

約数和(自身を除く): 140492522

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 262111, 524222, 1310555, 1834777, 2621110, 3669554, 9173885, 12843439, 18347770, 25686878, 64217195, 128434390]

約数ペア:

[(1, 128434390), (2, 64217195), (5, 25686878), (7, 18347770), (10, 12843439), (14, 9173885), (35, 3669554), (49, 2621110), (70, 1834777), (98, 1310555), (245, 524222), (490, 262111)]