1798202275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4211}}^1$

素因数の和:4300

約数の個数: 48

約数和(自身を含む): 2506982400

約数和(自身を除く): 708780125

約数列:

[1, 5, 19, 25, 29, 31, 95, 145, 155, 475, 551, 589, 725, 775, 899, 2755, 2945, 4211, 4495, 13775, 14725, 17081, 21055, 22475, 80009, 85405, 105275, 122119, 130541, 400045, 427025, 610595, 652705, 2000225, 2320261, 2480279, 3052975, 3263525, 3785689, 11601305, 12401395, 18928445, 58006525, 62006975, 71928091, 94642225, 359640455, 1798202275]

約数ペア:

[(1, 1798202275), (5, 359640455), (19, 94642225), (25, 71928091), (29, 62006975), (31, 58006525), (95, 18928445), (145, 12401395), (155, 11601305), (475, 3785689), (551, 3263525), (589, 3052975), (725, 2480279), (775, 2320261), (899, 2000225), (2755, 652705), (2945, 610595), (4211, 427025), (4495, 400045), (13775, 130541), (14725, 122119), (17081, 105275), (21055, 85405), (22475, 80009)]