169778860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{439}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 364351680

約数和(自身を除く): 194572820

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 317, 439, 610, 634, 878, 1220, 1268, 1585, 1756, 2195, 3170, 4390, 6340, 8780, 19337, 26779, 38674, 53558, 77348, 96685, 107116, 133895, 139163, 193370, 267790, 278326, 386740, 535580, 556652, 695815, 1391630, 2783260, 8488943, 16977886, 33955772, 42444715, 84889430, 169778860]

約数ペア:

[(1, 169778860), (2, 84889430), (4, 42444715), (5, 33955772), (10, 16977886), (20, 8488943), (61, 2783260), (122, 1391630), (244, 695815), (305, 556652), (317, 535580), (439, 386740), (610, 278326), (634, 267790), (878, 193370), (1220, 139163), (1268, 133895), (1585, 107116), (1756, 96685), (2195, 77348), (3170, 53558), (4390, 38674), (6340, 26779), (8780, 19337)]