251346280

素因数分解:

$2^3\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{5749}}^1$

素因数の和:6853

約数の個数: 32

約数和(自身を含む): 566145000

約数和(自身を除く): 314798720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1093, 2186, 4372, 5465, 5749, 8744, 10930, 11498, 21860, 22996, 28745, 43720, 45992, 57490, 114980, 229960, 6283657, 12567314, 25134628, 31418285, 50269256, 62836570, 125673140, 251346280]

約数ペア:

[(1, 251346280), (2, 125673140), (4, 62836570), (5, 50269256), (8, 31418285), (10, 25134628), (20, 12567314), (40, 6283657), (1093, 229960), (2186, 114980), (4372, 57490), (5465, 45992), (5749, 43720), (8744, 28745), (10930, 22996), (11498, 21860)]