79173220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{80789}}^1$

素因数の和:80812

約数の個数: 36

約数和(自身を含む): 193411260

約数和(自身を除く): 114238040

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 80789, 161578, 323156, 403945, 565523, 807890, 1131046, 1615780, 2262092, 2827615, 3958661, 5655230, 7917322, 11310460, 15834644, 19793305, 39586610, 79173220]

約数ペア:

[(1, 79173220), (2, 39586610), (4, 19793305), (5, 15834644), (7, 11310460), (10, 7917322), (14, 5655230), (20, 3958661), (28, 2827615), (35, 2262092), (49, 1615780), (70, 1131046), (98, 807890), (140, 565523), (196, 403945), (245, 323156), (490, 161578), (980, 80789)]