100405975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 139946400

約数和(自身を除く): 39540425

約数列:

[1, 5, 19, 25, 29, 37, 95, 145, 185, 197, 475, 551, 703, 725, 925, 985, 1073, 2755, 3515, 3743, 4925, 5365, 5713, 7289, 13775, 17575, 18715, 20387, 26825, 28565, 36445, 93575, 101935, 108547, 138491, 142825, 182225, 211381, 509675, 542735, 692455, 1056905, 2713675, 3462275, 4016239, 5284525, 20081195, 100405975]

約数ペア:

[(1, 100405975), (5, 20081195), (19, 5284525), (25, 4016239), (29, 3462275), (37, 2713675), (95, 1056905), (145, 692455), (185, 542735), (197, 509675), (475, 211381), (551, 182225), (703, 142825), (725, 138491), (925, 108547), (985, 101935), (1073, 93575), (2755, 36445), (3515, 28565), (3743, 26825), (4925, 20387), (5365, 18715), (5713, 17575), (7289, 13775)]