198494140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1747}}^1$

素因数の和:1811

約数の個数: 96

約数和(自身を含む): 493355520

約数和(自身を除く): 294861380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 92, 95, 115, 130, 190, 230, 247, 260, 299, 380, 437, 460, 494, 598, 874, 988, 1196, 1235, 1495, 1747, 1748, 2185, 2470, 2990, 3494, 4370, 4940, 5681, 5980, 6988, 8735, 8740, 11362, 17470, 22711, 22724, 28405, 33193, 34940, 40181, 45422, 56810, 66386, 80362, 90844, 113555, 113620, 132772, 160724, 165965, 200905, 227110, 331930, 401810, 431509, 454220, 522353, 663860, 763439, 803620, 863018, 1044706, 1526878, 1726036, 2089412, 2157545, 2611765, 3053756, 3817195, 4315090, 5223530, 7634390, 8630180, 9924707, 10447060, 15268780, 19849414, 39698828, 49623535, 99247070, 198494140]

約数ペア:

[(1, 198494140), (2, 99247070), (4, 49623535), (5, 39698828), (10, 19849414), (13, 15268780), (19, 10447060), (20, 9924707), (23, 8630180), (26, 7634390), (38, 5223530), (46, 4315090), (52, 3817195), (65, 3053756), (76, 2611765), (92, 2157545), (95, 2089412), (115, 1726036), (130, 1526878), (190, 1044706), (230, 863018), (247, 803620), (260, 763439), (299, 663860), (380, 522353), (437, 454220), (460, 431509), (494, 401810), (598, 331930), (874, 227110), (988, 200905), (1196, 165965), (1235, 160724), (1495, 132772), (1747, 113620), (1748, 113555), (2185, 90844), (2470, 80362), (2990, 66386), (3494, 56810), (4370, 45422), (4940, 40181), (5681, 34940), (5980, 33193), (6988, 28405), (8735, 22724), (8740, 22711), (11362, 17470)]