28030008

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 80870400

約数和(自身を除く): 52840392

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 29, 34, 46, 51, 58, 68, 69, 87, 92, 102, 103, 116, 136, 138, 174, 184, 204, 206, 232, 276, 309, 348, 391, 408, 412, 493, 552, 618, 667, 696, 782, 824, 986, 1173, 1236, 1334, 1479, 1564, 1751, 1972, 2001, 2346, 2369, 2472, 2668, 2958, 2987, 3128, 3502, 3944, 4002, 4692, 4738, 5253, 5336, 5916, 5974, 7004, 7107, 8004, 8961, 9384, 9476, 10506, 11339, 11832, 11948, 14008, 14214, 16008, 17922, 18952, 21012, 22678, 23896, 28428, 34017, 35844, 40273, 42024, 45356, 50779, 56856, 68034, 68701, 71688, 80546, 90712, 101558, 120819, 136068, 137402, 152337, 161092, 203116, 206103, 241638, 272136, 274804, 304674, 322184, 406232, 412206, 483276, 549608, 609348, 824412, 966552, 1167917, 1218696, 1648824, 2335834, 3503751, 4671668, 7007502, 9343336, 14015004, 28030008]

約数ペア:

[(1, 28030008), (2, 14015004), (3, 9343336), (4, 7007502), (6, 4671668), (8, 3503751), (12, 2335834), (17, 1648824), (23, 1218696), (24, 1167917), (29, 966552), (34, 824412), (46, 609348), (51, 549608), (58, 483276), (68, 412206), (69, 406232), (87, 322184), (92, 304674), (102, 274804), (103, 272136), (116, 241638), (136, 206103), (138, 203116), (174, 161092), (184, 152337), (204, 137402), (206, 136068), (232, 120819), (276, 101558), (309, 90712), (348, 80546), (391, 71688), (408, 68701), (412, 68034), (493, 56856), (552, 50779), (618, 45356), (667, 42024), (696, 40273), (782, 35844), (824, 34017), (986, 28428), (1173, 23896), (1236, 22678), (1334, 21012), (1479, 18952), (1564, 17922), (1751, 16008), (1972, 14214), (2001, 14008), (2346, 11948), (2369, 11832), (2472, 11339), (2668, 10506), (2958, 9476), (2987, 9384), (3128, 8961), (3502, 8004), (3944, 7107), (4002, 7004), (4692, 5974), (4738, 5916), (5253, 5336)]