274536640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{122561}}^1$

素因数の和:122585

約数の個数: 56

約数和(自身を含む): 747137952

約数和(自身を除く): 472601312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 122561, 245122, 490244, 612805, 857927, 980488, 1225610, 1715854, 1960976, 2451220, 3431708, 3921952, 4289635, 4902440, 6863416, 7843904, 8579270, 9804880, 13726832, 17158540, 19609760, 27453664, 34317080, 39219520, 54907328, 68634160, 137268320, 274536640]

約数ペア:

[(1, 274536640), (2, 137268320), (4, 68634160), (5, 54907328), (7, 39219520), (8, 34317080), (10, 27453664), (14, 19609760), (16, 17158540), (20, 13726832), (28, 9804880), (32, 8579270), (35, 7843904), (40, 6863416), (56, 4902440), (64, 4289635), (70, 3921952), (80, 3431708), (112, 2451220), (140, 1960976), (160, 1715854), (224, 1225610), (280, 980488), (320, 857927), (448, 612805), (560, 490244), (1120, 245122), (2240, 122561)]