7939890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{4201}}^1$

素因数の和:4224

約数の個数: 64

約数和(自身を含む): 24203520

約数和(自身を除く): 16263630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 4201, 8402, 12603, 21005, 25206, 29407, 37809, 42010, 58814, 63015, 75618, 88221, 113427, 126030, 147035, 176442, 189045, 226854, 264663, 294070, 378090, 441105, 529326, 567135, 793989, 882210, 1134270, 1323315, 1587978, 2646630, 3969945, 7939890]

約数ペア:

[(1, 7939890), (2, 3969945), (3, 2646630), (5, 1587978), (6, 1323315), (7, 1134270), (9, 882210), (10, 793989), (14, 567135), (15, 529326), (18, 441105), (21, 378090), (27, 294070), (30, 264663), (35, 226854), (42, 189045), (45, 176442), (54, 147035), (63, 126030), (70, 113427), (90, 88221), (105, 75618), (126, 63015), (135, 58814), (189, 42010), (210, 37809), (270, 29407), (315, 25206), (378, 21005), (630, 12603), (945, 8402), (1890, 4201)]