2299990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 5391360

約数和(自身を除く): 3091370

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 103, 110, 145, 154, 203, 206, 290, 319, 385, 406, 515, 638, 721, 770, 1015, 1030, 1133, 1442, 1595, 2030, 2233, 2266, 2987, 3190, 3605, 4466, 5665, 5974, 7210, 7931, 11165, 11330, 14935, 15862, 20909, 22330, 29870, 32857, 39655, 41818, 65714, 79310, 104545, 164285, 209090, 229999, 328570, 459998, 1149995, 2299990]

約数ペア:

[(1, 2299990), (2, 1149995), (5, 459998), (7, 328570), (10, 229999), (11, 209090), (14, 164285), (22, 104545), (29, 79310), (35, 65714), (55, 41818), (58, 39655), (70, 32857), (77, 29870), (103, 22330), (110, 20909), (145, 15862), (154, 14935), (203, 11330), (206, 11165), (290, 7931), (319, 7210), (385, 5974), (406, 5665), (515, 4466), (638, 3605), (721, 3190), (770, 2987), (1015, 2266), (1030, 2233), (1133, 2030), (1442, 1595)]