2989175

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 48

約数和(自身を含む): 4761600

約数和(自身を除く): 1772425

約数列:

[1, 5, 7, 19, 25, 29, 31, 35, 95, 133, 145, 155, 175, 203, 217, 475, 551, 589, 665, 725, 775, 899, 1015, 1085, 2755, 2945, 3325, 3857, 4123, 4495, 5075, 5425, 6293, 13775, 14725, 17081, 19285, 20615, 22475, 31465, 85405, 96425, 103075, 119567, 157325, 427025, 597835, 2989175]

約数ペア:

[(1, 2989175), (5, 597835), (7, 427025), (19, 157325), (25, 119567), (29, 103075), (31, 96425), (35, 85405), (95, 31465), (133, 22475), (145, 20615), (155, 19285), (175, 17081), (203, 14725), (217, 13775), (475, 6293), (551, 5425), (589, 5075), (665, 4495), (725, 4123), (775, 3857), (899, 3325), (1015, 2945), (1085, 2755)]