83949040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149909}}^1$

素因数の和:149929

約数の個数: 40

約数和(自身を含む): 223066080

約数和(自身を除く): 139117040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 149909, 299818, 599636, 749545, 1049363, 1199272, 1499090, 2098726, 2398544, 2998180, 4197452, 5246815, 5996360, 8394904, 10493630, 11992720, 16789808, 20987260, 41974520, 83949040]

約数ペア:

[(1, 83949040), (2, 41974520), (4, 20987260), (5, 16789808), (7, 11992720), (8, 10493630), (10, 8394904), (14, 5996360), (16, 5246815), (20, 4197452), (28, 2998180), (35, 2398544), (40, 2098726), (56, 1499090), (70, 1199272), (80, 1049363), (112, 749545), (140, 599636), (280, 299818), (560, 149909)]