172976980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{9473}}^1$

素因数の和:9576

約数の個数: 48

約数和(自身を含む): 401091264

約数和(自身を除く): 228114284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 4565, 9130, 9473, 18260, 18946, 37892, 47365, 94730, 104203, 189460, 208406, 416812, 521015, 786259, 1042030, 1572518, 2084060, 3145036, 3931295, 7862590, 8648849, 15725180, 17297698, 34595396, 43244245, 86488490, 172976980]

約数ペア:

[(1, 172976980), (2, 86488490), (4, 43244245), (5, 34595396), (10, 17297698), (11, 15725180), (20, 8648849), (22, 7862590), (44, 3931295), (55, 3145036), (83, 2084060), (110, 1572518), (166, 1042030), (220, 786259), (332, 521015), (415, 416812), (830, 208406), (913, 189460), (1660, 104203), (1826, 94730), (3652, 47365), (4565, 37892), (9130, 18946), (9473, 18260)]