30871470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{21001}}^1$

素因数の和:21025

約数の個数: 48

約数和(自身を含む): 86192208

約数和(自身を除く): 55320738

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 21001, 42002, 63003, 105005, 126006, 147007, 210010, 294014, 315015, 441021, 630030, 735035, 882042, 1029049, 1470070, 2058098, 2205105, 3087147, 4410210, 5145245, 6174294, 10290490, 15435735, 30871470]

約数ペア:

[(1, 30871470), (2, 15435735), (3, 10290490), (5, 6174294), (6, 5145245), (7, 4410210), (10, 3087147), (14, 2205105), (15, 2058098), (21, 1470070), (30, 1029049), (35, 882042), (42, 735035), (49, 630030), (70, 441021), (98, 315015), (105, 294014), (147, 210010), (210, 147007), (245, 126006), (294, 105005), (490, 63003), (735, 42002), (1470, 21001)]