42779660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27779}}^1$

素因数の和:27806

約数の個数: 48

約数和(自身を含む): 112008960

約数和(自身を除く): 69229300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 27779, 55558, 111116, 138895, 194453, 277790, 305569, 388906, 555580, 611138, 777812, 972265, 1222276, 1527845, 1944530, 2138983, 3055690, 3889060, 4277966, 6111380, 8555932, 10694915, 21389830, 42779660]

約数ペア:

[(1, 42779660), (2, 21389830), (4, 10694915), (5, 8555932), (7, 6111380), (10, 4277966), (11, 3889060), (14, 3055690), (20, 2138983), (22, 1944530), (28, 1527845), (35, 1222276), (44, 972265), (55, 777812), (70, 611138), (77, 555580), (110, 388906), (140, 305569), (154, 277790), (220, 194453), (308, 138895), (385, 111116), (770, 55558), (1540, 27779)]