42505540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3943}}^1$

素因数の和:3977

約数の個数: 72

約数和(自身を含む): 113303232

約数和(自身を除く): 70797692

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 3943, 5390, 7886, 10780, 15772, 19715, 27601, 39430, 43373, 55202, 78860, 86746, 110404, 138005, 173492, 193207, 216865, 276010, 303611, 386414, 433730, 552020, 607222, 772828, 867460, 966035, 1214444, 1518055, 1932070, 2125277, 3036110, 3864140, 4250554, 6072220, 8501108, 10626385, 21252770, 42505540]

約数ペア:

[(1, 42505540), (2, 21252770), (4, 10626385), (5, 8501108), (7, 6072220), (10, 4250554), (11, 3864140), (14, 3036110), (20, 2125277), (22, 1932070), (28, 1518055), (35, 1214444), (44, 966035), (49, 867460), (55, 772828), (70, 607222), (77, 552020), (98, 433730), (110, 386414), (140, 303611), (154, 276010), (196, 216865), (220, 193207), (245, 173492), (308, 138005), (385, 110404), (490, 86746), (539, 78860), (770, 55202), (980, 43373), (1078, 39430), (1540, 27601), (2156, 19715), (2695, 15772), (3943, 10780), (5390, 7886)]