220713220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{121271}}^1$

素因数の和:121300

約数の個数: 48

約数和(自身を含む): 570463488

約数和(自身を除く): 349750268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 121271, 242542, 485084, 606355, 848897, 1212710, 1576523, 1697794, 2425420, 3153046, 3395588, 4244485, 6306092, 7882615, 8488970, 11035661, 15765230, 16977940, 22071322, 31530460, 44142644, 55178305, 110356610, 220713220]

約数ペア:

[(1, 220713220), (2, 110356610), (4, 55178305), (5, 44142644), (7, 31530460), (10, 22071322), (13, 16977940), (14, 15765230), (20, 11035661), (26, 8488970), (28, 7882615), (35, 6306092), (52, 4244485), (65, 3395588), (70, 3153046), (91, 2425420), (130, 1697794), (140, 1576523), (182, 1212710), (260, 848897), (364, 606355), (455, 485084), (910, 242542), (1820, 121271)]