203426236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 407680000

約数和(自身を除く): 204253764

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 103, 206, 247, 412, 494, 988, 1339, 1957, 1999, 2678, 3914, 3998, 5356, 7828, 7996, 25441, 25987, 37981, 50882, 51974, 75962, 101764, 103948, 151924, 205897, 411794, 493753, 823588, 987506, 1975012, 2676661, 3912043, 5353322, 7824086, 10706644, 15648172, 50856559, 101713118, 203426236]

約数ペア:

[(1, 203426236), (2, 101713118), (4, 50856559), (13, 15648172), (19, 10706644), (26, 7824086), (38, 5353322), (52, 3912043), (76, 2676661), (103, 1975012), (206, 987506), (247, 823588), (412, 493753), (494, 411794), (988, 205897), (1339, 151924), (1957, 103948), (1999, 101764), (2678, 75962), (3914, 51974), (3998, 50882), (5356, 37981), (7828, 25987), (7996, 25441)]