2421580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{353}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 5947200

約数和(自身を除く): 3525620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 353, 490, 686, 706, 980, 1372, 1412, 1715, 1765, 2471, 3430, 3530, 4942, 6860, 7060, 9884, 12355, 17297, 24710, 34594, 49420, 69188, 86485, 121079, 172970, 242158, 345940, 484316, 605395, 1210790, 2421580]

約数ペア:

[(1, 2421580), (2, 1210790), (4, 605395), (5, 484316), (7, 345940), (10, 242158), (14, 172970), (20, 121079), (28, 86485), (35, 69188), (49, 49420), (70, 34594), (98, 24710), (140, 17297), (196, 12355), (245, 9884), (343, 7060), (353, 6860), (490, 4942), (686, 3530), (706, 3430), (980, 2471), (1372, 1765), (1412, 1715)]