28757960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9337}}^1$

素因数の和:9366

約数の個数: 64

約数和(自身を含む): 80680320

約数和(自身を除く): 51922360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9337, 18674, 37348, 46685, 65359, 74696, 93370, 102707, 130718, 186740, 205414, 261436, 326795, 373480, 410828, 513535, 522872, 653590, 718949, 821656, 1027070, 1307180, 1437898, 2054140, 2614360, 2875796, 3594745, 4108280, 5751592, 7189490, 14378980, 28757960]

約数ペア:

[(1, 28757960), (2, 14378980), (4, 7189490), (5, 5751592), (7, 4108280), (8, 3594745), (10, 2875796), (11, 2614360), (14, 2054140), (20, 1437898), (22, 1307180), (28, 1027070), (35, 821656), (40, 718949), (44, 653590), (55, 522872), (56, 513535), (70, 410828), (77, 373480), (88, 326795), (110, 261436), (140, 205414), (154, 186740), (220, 130718), (280, 102707), (308, 93370), (385, 74696), (440, 65359), (616, 46685), (770, 37348), (1540, 18674), (3080, 9337)]