1388702940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{22669}}^1$

素因数の和:23702

約数の個数: 48

約数和(自身を含む): 3892348320

約数和(自身を除く): 2503645380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1021, 2042, 3063, 4084, 5105, 6126, 10210, 12252, 15315, 20420, 22669, 30630, 45338, 61260, 68007, 90676, 113345, 136014, 226690, 272028, 340035, 453380, 680070, 1360140, 23145049, 46290098, 69435147, 92580196, 115725245, 138870294, 231450490, 277740588, 347175735, 462900980, 694351470, 1388702940]

約数ペア:

[(1, 1388702940), (2, 694351470), (3, 462900980), (4, 347175735), (5, 277740588), (6, 231450490), (10, 138870294), (12, 115725245), (15, 92580196), (20, 69435147), (30, 46290098), (60, 23145049), (1021, 1360140), (2042, 680070), (3063, 453380), (4084, 340035), (5105, 272028), (6126, 226690), (10210, 136014), (12252, 113345), (15315, 90676), (20420, 68007), (22669, 61260), (30630, 45338)]