123360020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{881143}}^1$

素因数の和:881159

約数の個数: 24

約数和(自身を含む): 296064384

約数和(自身を除く): 172704364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 881143, 1762286, 3524572, 4405715, 6168001, 8811430, 12336002, 17622860, 24672004, 30840005, 61680010, 123360020]

約数ペア:

[(1, 123360020), (2, 61680010), (4, 30840005), (5, 24672004), (7, 17622860), (10, 12336002), (14, 8811430), (20, 6168001), (28, 4405715), (35, 3524572), (70, 1762286), (140, 881143)]