27791960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{99257}}^1$

素因数の和:99275

約数の個数: 32

約数和(自身を含む): 71465760

約数和(自身を除く): 43673800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 99257, 198514, 397028, 496285, 694799, 794056, 992570, 1389598, 1985140, 2779196, 3473995, 3970280, 5558392, 6947990, 13895980, 27791960]

約数ペア:

[(1, 27791960), (2, 13895980), (4, 6947990), (5, 5558392), (7, 3970280), (8, 3473995), (10, 2779196), (14, 1985140), (20, 1389598), (28, 992570), (35, 794056), (40, 694799), (56, 496285), (70, 397028), (140, 198514), (280, 99257)]