201773825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 304459680

約数和(自身を除く): 102685855

約数列:

[1, 5, 11, 19, 23, 25, 55, 73, 95, 115, 209, 253, 275, 365, 437, 475, 529, 575, 803, 1045, 1265, 1387, 1679, 1825, 2185, 2645, 4015, 4807, 5225, 5819, 6325, 6935, 8395, 10051, 10925, 13225, 15257, 18469, 20075, 24035, 29095, 31901, 34675, 38617, 41975, 50255, 76285, 92345, 110561, 120175, 145475, 159505, 193085, 251275, 350911, 381425, 424787, 461725, 552805, 733723, 797525, 965425, 1754555, 2123935, 2764025, 3668615, 8070953, 8772775, 10619675, 18343075, 40354765, 201773825]

約数ペア:

[(1, 201773825), (5, 40354765), (11, 18343075), (19, 10619675), (23, 8772775), (25, 8070953), (55, 3668615), (73, 2764025), (95, 2123935), (115, 1754555), (209, 965425), (253, 797525), (275, 733723), (365, 552805), (437, 461725), (475, 424787), (529, 381425), (575, 350911), (803, 251275), (1045, 193085), (1265, 159505), (1387, 145475), (1679, 120175), (1825, 110561), (2185, 92345), (2645, 76285), (4015, 50255), (4807, 41975), (5225, 38617), (5819, 34675), (6325, 31901), (6935, 29095), (8395, 24035), (10051, 20075), (10925, 18469), (13225, 15257)]