977180540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{997123}}^1$

素因数の和:997146

約数の個数: 36

約数和(自身を含む): 2387114856

約数和(自身を除く): 1409934316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 997123, 1994246, 3988492, 4985615, 6979861, 9971230, 13959722, 19942460, 27919444, 34899305, 48859027, 69798610, 97718054, 139597220, 195436108, 244295135, 488590270, 977180540]

約数ペア:

[(1, 977180540), (2, 488590270), (4, 244295135), (5, 195436108), (7, 139597220), (10, 97718054), (14, 69798610), (20, 48859027), (28, 34899305), (35, 27919444), (49, 19942460), (70, 13959722), (98, 9971230), (140, 6979861), (196, 4985615), (245, 3988492), (490, 1994246), (980, 997123)]