31005940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221471}}^1$

素因数の和:221487

約数の個数: 24

約数和(自身を含む): 74414592

約数和(自身を除く): 43408652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221471, 442942, 885884, 1107355, 1550297, 2214710, 3100594, 4429420, 6201188, 7751485, 15502970, 31005940]

約数ペア:

[(1, 31005940), (2, 15502970), (4, 7751485), (5, 6201188), (7, 4429420), (10, 3100594), (14, 2214710), (20, 1550297), (28, 1107355), (35, 885884), (70, 442942), (140, 221471)]