28688910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 70273008

約数和(自身を除く): 41584098

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 257, 305, 366, 514, 610, 771, 915, 1285, 1542, 1830, 2570, 3721, 3855, 7442, 7710, 11163, 15677, 18605, 22326, 31354, 37210, 47031, 55815, 78385, 94062, 111630, 156770, 235155, 470310, 956297, 1912594, 2868891, 4781485, 5737782, 9562970, 14344455, 28688910]

約数ペア:

[(1, 28688910), (2, 14344455), (3, 9562970), (5, 5737782), (6, 4781485), (10, 2868891), (15, 1912594), (30, 956297), (61, 470310), (122, 235155), (183, 156770), (257, 111630), (305, 94062), (366, 78385), (514, 55815), (610, 47031), (771, 37210), (915, 31354), (1285, 22326), (1542, 18605), (1830, 15677), (2570, 11163), (3721, 7710), (3855, 7442)]