241640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{863}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 622080

約数和(自身を除く): 380440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 863, 1726, 3452, 4315, 6041, 6904, 8630, 12082, 17260, 24164, 30205, 34520, 48328, 60410, 120820, 241640]

約数ペア:

[(1, 241640), (2, 120820), (4, 60410), (5, 48328), (7, 34520), (8, 30205), (10, 24164), (14, 17260), (20, 12082), (28, 8630), (35, 6904), (40, 6041), (56, 4315), (70, 3452), (140, 1726), (280, 863)]