157077940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1171}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 348505920

約数和(自身を除く): 191427980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 353, 380, 706, 1171, 1412, 1765, 2342, 3530, 4684, 5855, 6707, 7060, 11710, 13414, 22249, 23420, 26828, 33535, 44498, 67070, 88996, 111245, 134140, 222490, 413363, 444980, 826726, 1653452, 2066815, 4133630, 7853897, 8267260, 15707794, 31415588, 39269485, 78538970, 157077940]

約数ペア:

[(1, 157077940), (2, 78538970), (4, 39269485), (5, 31415588), (10, 15707794), (19, 8267260), (20, 7853897), (38, 4133630), (76, 2066815), (95, 1653452), (190, 826726), (353, 444980), (380, 413363), (706, 222490), (1171, 134140), (1412, 111245), (1765, 88996), (2342, 67070), (3530, 44498), (4684, 33535), (5855, 26828), (6707, 23420), (7060, 22249), (11710, 13414)]