28807060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 63221760

約数和(自身を除く): 34414700

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 479, 485, 620, 958, 970, 1916, 1940, 2395, 3007, 4790, 6014, 9580, 12028, 14849, 15035, 29698, 30070, 46463, 59396, 60140, 74245, 92926, 148490, 185852, 232315, 296980, 464630, 929260, 1440353, 2880706, 5761412, 7201765, 14403530, 28807060]

約数ペア:

[(1, 28807060), (2, 14403530), (4, 7201765), (5, 5761412), (10, 2880706), (20, 1440353), (31, 929260), (62, 464630), (97, 296980), (124, 232315), (155, 185852), (194, 148490), (310, 92926), (388, 74245), (479, 60140), (485, 59396), (620, 46463), (958, 30070), (970, 29698), (1916, 15035), (1940, 14849), (2395, 12028), (3007, 9580), (4790, 6014)]