142383920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{254257}}^1$

素因数の和:254277

約数の個数: 40

約数和(自身を含む): 378335904

約数和(自身を除く): 235951984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 254257, 508514, 1017028, 1271285, 1779799, 2034056, 2542570, 3559598, 4068112, 5085140, 7119196, 8898995, 10170280, 14238392, 17797990, 20340560, 28476784, 35595980, 71191960, 142383920]

約数ペア:

[(1, 142383920), (2, 71191960), (4, 35595980), (5, 28476784), (7, 20340560), (8, 17797990), (10, 14238392), (14, 10170280), (16, 8898995), (20, 7119196), (28, 5085140), (35, 4068112), (40, 3559598), (56, 2542570), (70, 2034056), (80, 1779799), (112, 1271285), (140, 1017028), (280, 508514), (560, 254257)]