77519960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{39551}}^1$

素因数の和:39576

約数の個数: 48

約数和(自身を含む): 202901760

約数和(自身を除く): 125381800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 39551, 79102, 158204, 197755, 276857, 316408, 395510, 553714, 791020, 1107428, 1384285, 1582040, 1937999, 2214856, 2768570, 3875998, 5537140, 7751996, 9689995, 11074280, 15503992, 19379990, 38759980, 77519960]

約数ペア:

[(1, 77519960), (2, 38759980), (4, 19379990), (5, 15503992), (7, 11074280), (8, 9689995), (10, 7751996), (14, 5537140), (20, 3875998), (28, 2768570), (35, 2214856), (40, 1937999), (49, 1582040), (56, 1384285), (70, 1107428), (98, 791020), (140, 553714), (196, 395510), (245, 316408), (280, 276857), (392, 197755), (490, 158204), (980, 79102), (1960, 39551)]