122871560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{438827}}^1$

素因数の和:438845

約数の個数: 32

約数和(自身を含む): 315956160

約数和(自身を除く): 193084600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 438827, 877654, 1755308, 2194135, 3071789, 3510616, 4388270, 6143578, 8776540, 12287156, 15358945, 17553080, 24574312, 30717890, 61435780, 122871560]

約数ペア:

[(1, 122871560), (2, 61435780), (4, 30717890), (5, 24574312), (7, 17553080), (8, 15358945), (10, 12287156), (14, 8776540), (20, 6143578), (28, 4388270), (35, 3510616), (40, 3071789), (56, 2194135), (70, 1755308), (140, 877654), (280, 438827)]