149740775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2909}}^1$

素因数の和:3019

約数の個数: 24

約数和(自身を含む): 194853600

約数和(自身を除く): 45112825

約数列:

[1, 5, 25, 29, 71, 145, 355, 725, 1775, 2059, 2909, 10295, 14545, 51475, 72725, 84361, 206539, 421805, 1032695, 2109025, 5163475, 5989631, 29948155, 149740775]

約数ペア:

[(1, 149740775), (5, 29948155), (25, 5989631), (29, 5163475), (71, 2109025), (145, 1032695), (355, 421805), (725, 206539), (1775, 84361), (2059, 72725), (2909, 51475), (10295, 14545)]