1900550646440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1559}}^1\times {\mathrm{239977}}^1$

素因数の和:241674

約数の個数: 64

約数和(自身を含む): 4312692633600

約数和(自身を除く): 2412141987160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 1559, 2540, 3118, 5080, 6236, 7795, 12472, 15590, 31180, 62360, 197993, 239977, 395986, 479954, 791972, 959908, 989965, 1199885, 1583944, 1919816, 1979930, 2399770, 3959860, 4799540, 7919720, 9599080, 30477079, 60954158, 121908316, 152385395, 243816632, 304770790, 374124143, 609541580, 748248286, 1219083160, 1496496572, 1870620715, 2992993144, 3741241430, 7482482860, 14964965720, 47513766161, 95027532322, 190055064644, 237568830805, 380110129288, 475137661610, 950275323220, 1900550646440]

約数ペア:

[(1, 1900550646440), (2, 950275323220), (4, 475137661610), (5, 380110129288), (8, 237568830805), (10, 190055064644), (20, 95027532322), (40, 47513766161), (127, 14964965720), (254, 7482482860), (508, 3741241430), (635, 2992993144), (1016, 1870620715), (1270, 1496496572), (1559, 1219083160), (2540, 748248286), (3118, 609541580), (5080, 374124143), (6236, 304770790), (7795, 243816632), (12472, 152385395), (15590, 121908316), (31180, 60954158), (62360, 30477079), (197993, 9599080), (239977, 7919720), (395986, 4799540), (479954, 3959860), (791972, 2399770), (959908, 1979930), (989965, 1919816), (1199885, 1583944)]