2128045375

素因数分解:

$5^3\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 2843612928

約数和(自身を除く): 715567553

約数列:

[1, 5, 25, 29, 31, 125, 145, 155, 653, 725, 775, 841, 899, 3265, 3625, 3875, 4205, 4495, 16325, 18937, 20243, 21025, 22475, 26071, 81625, 94685, 101215, 105125, 112375, 130355, 473425, 506075, 549173, 587047, 651775, 2367125, 2530375, 2745865, 2935235, 3258875, 13729325, 14676175, 17024363, 68646625, 73380875, 85121815, 425609075, 2128045375]

約数ペア:

[(1, 2128045375), (5, 425609075), (25, 85121815), (29, 73380875), (31, 68646625), (125, 17024363), (145, 14676175), (155, 13729325), (653, 3258875), (725, 2935235), (775, 2745865), (841, 2530375), (899, 2367125), (3265, 651775), (3625, 587047), (3875, 549173), (4205, 506075), (4495, 473425), (16325, 130355), (18937, 112375), (20243, 105125), (21025, 101215), (22475, 94685), (26071, 81625)]