188420940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3779}}^1$

素因数の和:4071

約数の個数: 72

約数和(自身を含む): 573758640

約数和(自身を除く): 385337700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 277, 554, 831, 1108, 1385, 1662, 2493, 2770, 3324, 3779, 4155, 4986, 5540, 7558, 8310, 9972, 11337, 12465, 15116, 16620, 18895, 22674, 24930, 34011, 37790, 45348, 49860, 56685, 68022, 75580, 113370, 136044, 170055, 226740, 340110, 680220, 1046783, 2093566, 3140349, 4187132, 5233915, 6280698, 9421047, 10467830, 12561396, 15701745, 18842094, 20935660, 31403490, 37684188, 47105235, 62806980, 94210470, 188420940]

約数ペア:

[(1, 188420940), (2, 94210470), (3, 62806980), (4, 47105235), (5, 37684188), (6, 31403490), (9, 20935660), (10, 18842094), (12, 15701745), (15, 12561396), (18, 10467830), (20, 9421047), (30, 6280698), (36, 5233915), (45, 4187132), (60, 3140349), (90, 2093566), (180, 1046783), (277, 680220), (554, 340110), (831, 226740), (1108, 170055), (1385, 136044), (1662, 113370), (2493, 75580), (2770, 68022), (3324, 56685), (3779, 49860), (4155, 45348), (4986, 37790), (5540, 34011), (7558, 24930), (8310, 22674), (9972, 18895), (11337, 16620), (12465, 15116)]