7156490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 15396480

約数和(自身を除く): 8239990

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 43, 55, 85, 86, 89, 110, 170, 178, 187, 215, 374, 430, 445, 473, 731, 890, 935, 946, 979, 1462, 1513, 1870, 1958, 2365, 3026, 3655, 3827, 4730, 4895, 7310, 7565, 7654, 8041, 9790, 15130, 16082, 16643, 19135, 33286, 38270, 40205, 42097, 65059, 80410, 83215, 84194, 130118, 166430, 210485, 325295, 420970, 650590, 715649, 1431298, 3578245, 7156490]

約数ペア:

[(1, 7156490), (2, 3578245), (5, 1431298), (10, 715649), (11, 650590), (17, 420970), (22, 325295), (34, 210485), (43, 166430), (55, 130118), (85, 84194), (86, 83215), (89, 80410), (110, 65059), (170, 42097), (178, 40205), (187, 38270), (215, 33286), (374, 19135), (430, 16643), (445, 16082), (473, 15130), (731, 9790), (890, 8041), (935, 7654), (946, 7565), (979, 7310), (1462, 4895), (1513, 4730), (1870, 3827), (1958, 3655), (2365, 3026)]