131533220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{72271}}^1$

素因数の和:72300

約数の個数: 48

約数和(自身を含む): 339967488

約数和(自身を除く): 208434268

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, 72271, 144542, 289084, 361355, 505897, 722710, 939523, 1011794, 1445420, 1879046, 2023588, 2529485, 3758092, 4697615, 5058970, 6576661, 9395230, 10117940, 13153322, 18790460, 26306644, 32883305, 65766610, 131533220]

約数ペア:

[(1, 131533220), (2, 65766610), (4, 32883305), (5, 26306644), (7, 18790460), (10, 13153322), (13, 10117940), (14, 9395230), (20, 6576661), (26, 5058970), (28, 4697615), (35, 3758092), (52, 2529485), (65, 2023588), (70, 1879046), (91, 1445420), (130, 1011794), (140, 939523), (182, 722710), (260, 505897), (364, 361355), (455, 289084), (910, 144542), (1820, 72271)]