8430520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{30109}}^1$

素因数の和:30127

約数の個数: 32

約数和(自身を含む): 21679200

約数和(自身を除く): 13248680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 30109, 60218, 120436, 150545, 210763, 240872, 301090, 421526, 602180, 843052, 1053815, 1204360, 1686104, 2107630, 4215260, 8430520]

約数ペア:

[(1, 8430520), (2, 4215260), (4, 2107630), (5, 1686104), (7, 1204360), (8, 1053815), (10, 843052), (14, 602180), (20, 421526), (28, 301090), (35, 240872), (40, 210763), (56, 150545), (70, 120436), (140, 60218), (280, 30109)]