28480970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1621}}^1$

素因数の和:1886

約数の個数: 32

約数和(自身を含む): 58859136

約数和(自身を除く): 30378166

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1621, 1757, 2510, 3242, 3514, 8105, 8785, 11347, 16210, 17570, 22694, 56735, 113470, 406871, 813742, 2034355, 2848097, 4068710, 5696194, 14240485, 28480970]

約数ペア:

[(1, 28480970), (2, 14240485), (5, 5696194), (7, 4068710), (10, 2848097), (14, 2034355), (35, 813742), (70, 406871), (251, 113470), (502, 56735), (1255, 22694), (1621, 17570), (1757, 16210), (2510, 11347), (3242, 8785), (3514, 8105)]