28289730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1259}}^1$

素因数の和:1383

約数の個数: 64

約数和(自身を含む): 78382080

約数和(自身を除く): 50092350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 107, 210, 214, 321, 535, 642, 749, 1070, 1259, 1498, 1605, 2247, 2518, 3210, 3745, 3777, 4494, 6295, 7490, 7554, 8813, 11235, 12590, 17626, 18885, 22470, 26439, 37770, 44065, 52878, 88130, 132195, 134713, 264390, 269426, 404139, 673565, 808278, 942991, 1347130, 1885982, 2020695, 2828973, 4041390, 4714955, 5657946, 9429910, 14144865, 28289730]

約数ペア:

[(1, 28289730), (2, 14144865), (3, 9429910), (5, 5657946), (6, 4714955), (7, 4041390), (10, 2828973), (14, 2020695), (15, 1885982), (21, 1347130), (30, 942991), (35, 808278), (42, 673565), (70, 404139), (105, 269426), (107, 264390), (210, 134713), (214, 132195), (321, 88130), (535, 52878), (642, 44065), (749, 37770), (1070, 26439), (1259, 22470), (1498, 18885), (1605, 17626), (2247, 12590), (2518, 11235), (3210, 8813), (3745, 7554), (3777, 7490), (4494, 6295)]