72742490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{953}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 139093200

約数和(自身を除く): 66350710

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 449, 898, 953, 1906, 2245, 4490, 4765, 7633, 9530, 15266, 16201, 32402, 38165, 76330, 81005, 162010, 427897, 855794, 2139485, 4278970, 7274249, 14548498, 36371245, 72742490]

約数ペア:

[(1, 72742490), (2, 36371245), (5, 14548498), (10, 7274249), (17, 4278970), (34, 2139485), (85, 855794), (170, 427897), (449, 162010), (898, 81005), (953, 76330), (1906, 38165), (2245, 32402), (4490, 16201), (4765, 15266), (7633, 9530)]