84994420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{86729}}^1$

素因数の和:86752

約数の個数: 36

約数和(自身を含む): 207631620

約数和(自身を除く): 122637200

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 86729, 173458, 346916, 433645, 607103, 867290, 1214206, 1734580, 2428412, 3035515, 4249721, 6071030, 8499442, 12142060, 16998884, 21248605, 42497210, 84994420]

約数ペア:

[(1, 84994420), (2, 42497210), (4, 21248605), (5, 16998884), (7, 12142060), (10, 8499442), (14, 6071030), (20, 4249721), (28, 3035515), (35, 2428412), (49, 1734580), (70, 1214206), (98, 867290), (140, 607103), (196, 433645), (245, 346916), (490, 173458), (980, 86729)]