77351960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{276257}}^1$

素因数の和:276275

約数の個数: 32

約数和(自身を含む): 198905760

約数和(自身を除く): 121553800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 276257, 552514, 1105028, 1381285, 1933799, 2210056, 2762570, 3867598, 5525140, 7735196, 9668995, 11050280, 15470392, 19337990, 38675980, 77351960]

約数ペア:

[(1, 77351960), (2, 38675980), (4, 19337990), (5, 15470392), (7, 11050280), (8, 9668995), (10, 7735196), (14, 5525140), (20, 3867598), (28, 2762570), (35, 2210056), (40, 1933799), (56, 1381285), (70, 1105028), (140, 552514), (280, 276257)]