838861940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{352463}}^1$

素因数の和:352496

約数の個数: 48

約数和(自身を含む): 2131702272

約数和(自身を除く): 1292840332

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 352463, 704926, 1409852, 1762315, 2467241, 3524630, 4934482, 5991871, 7049260, 9868964, 11983742, 12336205, 23967484, 24672410, 29959355, 41943097, 49344820, 59918710, 83886194, 119837420, 167772388, 209715485, 419430970, 838861940]

約数ペア:

[(1, 838861940), (2, 419430970), (4, 209715485), (5, 167772388), (7, 119837420), (10, 83886194), (14, 59918710), (17, 49344820), (20, 41943097), (28, 29959355), (34, 24672410), (35, 23967484), (68, 12336205), (70, 11983742), (85, 9868964), (119, 7049260), (140, 5991871), (170, 4934482), (238, 3524630), (340, 2467241), (476, 1762315), (595, 1409852), (1190, 704926), (2380, 352463)]