42740225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 36

約数和(自身を含む): 59371200

約数和(自身を除く): 16630975

約数列:

[1, 5, 11, 25, 55, 71, 121, 199, 275, 355, 605, 781, 995, 1775, 2189, 3025, 3905, 4975, 8591, 10945, 14129, 19525, 24079, 42955, 54725, 70645, 120395, 155419, 214775, 353225, 601975, 777095, 1709609, 3885475, 8548045, 42740225]

約数ペア:

[(1, 42740225), (5, 8548045), (11, 3885475), (25, 1709609), (55, 777095), (71, 601975), (121, 353225), (199, 214775), (275, 155419), (355, 120395), (605, 70645), (781, 54725), (995, 42955), (1775, 24079), (2189, 19525), (3025, 14129), (3905, 10945), (4975, 8591)]