289133080

素因数分解:

$2^3\times 5^1\times {\mathrm{1877}}^1\times {\mathrm{3851}}^1$

素因数の和:5739

約数の個数: 32

約数和(自身を含む): 651065040

約数和(自身を除く): 361931960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1877, 3754, 3851, 7508, 7702, 9385, 15016, 15404, 18770, 19255, 30808, 37540, 38510, 75080, 77020, 154040, 7228327, 14456654, 28913308, 36141635, 57826616, 72283270, 144566540, 289133080]

約数ペア:

[(1, 289133080), (2, 144566540), (4, 72283270), (5, 57826616), (8, 36141635), (10, 28913308), (20, 14456654), (40, 7228327), (1877, 154040), (3754, 77020), (3851, 75080), (7508, 38510), (7702, 37540), (9385, 30808), (15016, 19255), (15404, 18770)]