231721720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{304897}}^1$

素因数の和:304927

約数の個数: 32

約数和(自身を含む): 548816400

約数和(自身を除く): 317094680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 304897, 609794, 1219588, 1524485, 2439176, 3048970, 5793043, 6097940, 11586086, 12195880, 23172172, 28965215, 46344344, 57930430, 115860860, 231721720]

約数ペア:

[(1, 231721720), (2, 115860860), (4, 57930430), (5, 46344344), (8, 28965215), (10, 23172172), (19, 12195880), (20, 11586086), (38, 6097940), (40, 5793043), (76, 3048970), (95, 2439176), (152, 1524485), (190, 1219588), (380, 609794), (760, 304897)]