124721240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{445433}}^1$

素因数の和:445451

約数の個数: 32

約数和(自身を含む): 320712480

約数和(自身を除く): 195991240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 445433, 890866, 1781732, 2227165, 3118031, 3563464, 4454330, 6236062, 8908660, 12472124, 15590155, 17817320, 24944248, 31180310, 62360620, 124721240]

約数ペア:

[(1, 124721240), (2, 62360620), (4, 31180310), (5, 24944248), (7, 17817320), (8, 15590155), (10, 12472124), (14, 8908660), (20, 6236062), (28, 4454330), (35, 3563464), (40, 3118031), (56, 2227165), (70, 1781732), (140, 890866), (280, 445433)]