209512440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{193993}}^1$

素因数の和:194013

約数の個数: 64

約数和(自身を含む): 698378400

約数和(自身を除く): 488865960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 193993, 387986, 581979, 775972, 969965, 1163958, 1551944, 1745937, 1939930, 2327916, 2909895, 3491874, 3879860, 4655832, 5237811, 5819790, 6983748, 7759720, 8729685, 10475622, 11639580, 13967496, 17459370, 20951244, 23279160, 26189055, 34918740, 41902488, 52378110, 69837480, 104756220, 209512440]

約数ペア:

[(1, 209512440), (2, 104756220), (3, 69837480), (4, 52378110), (5, 41902488), (6, 34918740), (8, 26189055), (9, 23279160), (10, 20951244), (12, 17459370), (15, 13967496), (18, 11639580), (20, 10475622), (24, 8729685), (27, 7759720), (30, 6983748), (36, 5819790), (40, 5237811), (45, 4655832), (54, 3879860), (60, 3491874), (72, 2909895), (90, 2327916), (108, 1939930), (120, 1745937), (135, 1551944), (180, 1163958), (216, 969965), (270, 775972), (360, 581979), (540, 387986), (1080, 193993)]