201991928375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{669679}}^1$

素因数の和:669840

約数の個数: 32

約数和(自身を含む): 267443404800

約数和(自身を除く): 65451476425

約数列:

[1, 5, 19, 25, 95, 125, 127, 475, 635, 2375, 2413, 3175, 12065, 15875, 60325, 301625, 669679, 3348395, 12723901, 16741975, 63619505, 83709875, 85049233, 318097525, 425246165, 1590487625, 1615935427, 2126230825, 8079677135, 10631154125, 40398385675, 201991928375]

約数ペア:

[(1, 201991928375), (5, 40398385675), (19, 10631154125), (25, 8079677135), (95, 2126230825), (125, 1615935427), (127, 1590487625), (475, 425246165), (635, 318097525), (2375, 85049233), (2413, 83709875), (3175, 63619505), (12065, 16741975), (15875, 12723901), (60325, 3348395), (301625, 669679)]