439644040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1307

約数の個数: 128

約数和(自身を含む): 1163289600

約数和(自身を除く): 723645560

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 43, 44, 55, 76, 86, 88, 95, 110, 152, 172, 190, 209, 215, 220, 344, 380, 418, 430, 440, 473, 760, 817, 836, 860, 946, 1045, 1223, 1634, 1672, 1720, 1892, 2090, 2365, 2446, 3268, 3784, 4085, 4180, 4730, 4892, 6115, 6536, 8170, 8360, 8987, 9460, 9784, 12230, 13453, 16340, 17974, 18920, 23237, 24460, 26906, 32680, 35948, 44935, 46474, 48920, 52589, 53812, 67265, 71896, 89870, 92948, 105178, 107624, 116185, 134530, 179740, 185896, 210356, 232370, 255607, 262945, 269060, 359480, 420712, 464740, 511214, 525890, 538120, 578479, 929480, 999191, 1022428, 1051780, 1156958, 1278035, 1998382, 2044856, 2103560, 2313916, 2556070, 2892395, 3996764, 4627832, 4995955, 5112140, 5784790, 7993528, 9991910, 10224280, 10991101, 11569580, 19983820, 21982202, 23139160, 39967640, 43964404, 54955505, 87928808, 109911010, 219822020, 439644040]

約数ペア:

[(1, 439644040), (2, 219822020), (4, 109911010), (5, 87928808), (8, 54955505), (10, 43964404), (11, 39967640), (19, 23139160), (20, 21982202), (22, 19983820), (38, 11569580), (40, 10991101), (43, 10224280), (44, 9991910), (55, 7993528), (76, 5784790), (86, 5112140), (88, 4995955), (95, 4627832), (110, 3996764), (152, 2892395), (172, 2556070), (190, 2313916), (209, 2103560), (215, 2044856), (220, 1998382), (344, 1278035), (380, 1156958), (418, 1051780), (430, 1022428), (440, 999191), (473, 929480), (760, 578479), (817, 538120), (836, 525890), (860, 511214), (946, 464740), (1045, 420712), (1223, 359480), (1634, 269060), (1672, 262945), (1720, 255607), (1892, 232370), (2090, 210356), (2365, 185896), (2446, 179740), (3268, 134530), (3784, 116185), (4085, 107624), (4180, 105178), (4730, 92948), (4892, 89870), (6115, 71896), (6536, 67265), (8170, 53812), (8360, 52589), (8987, 48920), (9460, 46474), (9784, 44935), (12230, 35948), (13453, 32680), (16340, 26906), (17974, 24460), (18920, 23237)]