2777720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 6998400

約数和(自身を除く): 4220680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 107, 110, 118, 214, 220, 236, 295, 428, 440, 472, 535, 590, 649, 856, 1070, 1177, 1180, 1298, 2140, 2354, 2360, 2596, 3245, 4280, 4708, 5192, 5885, 6313, 6490, 9416, 11770, 12626, 12980, 23540, 25252, 25960, 31565, 47080, 50504, 63130, 69443, 126260, 138886, 252520, 277772, 347215, 555544, 694430, 1388860, 2777720]

約数ペア:

[(1, 2777720), (2, 1388860), (4, 694430), (5, 555544), (8, 347215), (10, 277772), (11, 252520), (20, 138886), (22, 126260), (40, 69443), (44, 63130), (55, 50504), (59, 47080), (88, 31565), (107, 25960), (110, 25252), (118, 23540), (214, 12980), (220, 12626), (236, 11770), (295, 9416), (428, 6490), (440, 6313), (472, 5885), (535, 5192), (590, 4708), (649, 4280), (856, 3245), (1070, 2596), (1177, 2360), (1180, 2354), (1298, 2140)]