29126980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 63866880

約数和(自身を除く): 34739900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 431, 436, 545, 620, 862, 1090, 1724, 2155, 2180, 3379, 4310, 6758, 8620, 13361, 13516, 16895, 26722, 33790, 46979, 53444, 66805, 67580, 93958, 133610, 187916, 234895, 267220, 469790, 939580, 1456349, 2912698, 5825396, 7281745, 14563490, 29126980]

約数ペア:

[(1, 29126980), (2, 14563490), (4, 7281745), (5, 5825396), (10, 2912698), (20, 1456349), (31, 939580), (62, 469790), (109, 267220), (124, 234895), (155, 187916), (218, 133610), (310, 93958), (431, 67580), (436, 66805), (545, 53444), (620, 46979), (862, 33790), (1090, 26722), (1724, 16895), (2155, 13516), (2180, 13361), (3379, 8620), (4310, 6758)]