220009075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 349977600

約数和(自身を除く): 129968525

約数列:

[1, 5, 11, 13, 19, 25, 41, 55, 65, 79, 95, 143, 205, 209, 247, 275, 325, 395, 451, 475, 533, 715, 779, 869, 1025, 1027, 1045, 1235, 1501, 1975, 2255, 2665, 2717, 3239, 3575, 3895, 4345, 5135, 5225, 5863, 6175, 7505, 8569, 10127, 11275, 11297, 13325, 13585, 16195, 16511, 19475, 19513, 21725, 25675, 29315, 35629, 37525, 42107, 42845, 50635, 56485, 61541, 67925, 80975, 82555, 97565, 111397, 146575, 178145, 210535, 214225, 214643, 253175, 282425, 307705, 412775, 463177, 487825, 556985, 676951, 800033, 890725, 1052675, 1073215, 1538525, 2315885, 2784925, 3384755, 4000165, 5366075, 8800363, 11579425, 16923775, 20000825, 44001815, 220009075]

約数ペア:

[(1, 220009075), (5, 44001815), (11, 20000825), (13, 16923775), (19, 11579425), (25, 8800363), (41, 5366075), (55, 4000165), (65, 3384755), (79, 2784925), (95, 2315885), (143, 1538525), (205, 1073215), (209, 1052675), (247, 890725), (275, 800033), (325, 676951), (395, 556985), (451, 487825), (475, 463177), (533, 412775), (715, 307705), (779, 282425), (869, 253175), (1025, 214643), (1027, 214225), (1045, 210535), (1235, 178145), (1501, 146575), (1975, 111397), (2255, 97565), (2665, 82555), (2717, 80975), (3239, 67925), (3575, 61541), (3895, 56485), (4345, 50635), (5135, 42845), (5225, 42107), (5863, 37525), (6175, 35629), (7505, 29315), (8569, 25675), (10127, 21725), (11275, 19513), (11297, 19475), (13325, 16511), (13585, 16195)]