77291525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 108326400

約数和(自身を除く): 31034875

約数列:

[1, 5, 19, 25, 29, 31, 95, 145, 155, 181, 475, 551, 589, 725, 775, 899, 905, 2755, 2945, 3439, 4495, 4525, 5249, 5611, 13775, 14725, 17081, 17195, 22475, 26245, 28055, 85405, 85975, 99731, 106609, 131225, 140275, 162719, 427025, 498655, 533045, 813595, 2493275, 2665225, 3091661, 4067975, 15458305, 77291525]

約数ペア:

[(1, 77291525), (5, 15458305), (19, 4067975), (25, 3091661), (29, 2665225), (31, 2493275), (95, 813595), (145, 533045), (155, 498655), (181, 427025), (475, 162719), (551, 140275), (589, 131225), (725, 106609), (775, 99731), (899, 85975), (905, 85405), (2755, 28055), (2945, 26245), (3439, 22475), (4495, 17195), (4525, 17081), (5249, 14725), (5611, 13775)]