290884475

素因数分解:

$5^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{4273}}^1$

素因数の和:4679

約数の個数: 24

約数和(自身を含む): 413381280

約数和(自身を除く): 122496805

約数列:

[1, 5, 7, 25, 35, 175, 389, 1945, 2723, 4273, 9725, 13615, 21365, 29911, 68075, 106825, 149555, 747775, 1662197, 8310985, 11635379, 41554925, 58176895, 290884475]

約数ペア:

[(1, 290884475), (5, 58176895), (7, 41554925), (25, 11635379), (35, 8310985), (175, 1662197), (389, 747775), (1945, 149555), (2723, 106825), (4273, 68075), (9725, 29911), (13615, 21365)]