98780525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 136598400

約数和(自身を除く): 37817875

約数列:

[1, 5, 19, 25, 29, 71, 95, 101, 145, 355, 475, 505, 551, 725, 1349, 1775, 1919, 2059, 2525, 2755, 2929, 6745, 7171, 9595, 10295, 13775, 14645, 33725, 35855, 39121, 47975, 51475, 55651, 73225, 136249, 179275, 195605, 207959, 278255, 681245, 978025, 1039795, 1391275, 3406225, 3951221, 5198975, 19756105, 98780525]

約数ペア:

[(1, 98780525), (5, 19756105), (19, 5198975), (25, 3951221), (29, 3406225), (71, 1391275), (95, 1039795), (101, 978025), (145, 681245), (355, 278255), (475, 207959), (505, 195605), (551, 179275), (725, 136249), (1349, 73225), (1775, 55651), (1919, 51475), (2059, 47975), (2525, 39121), (2755, 35855), (2929, 33725), (6745, 14645), (7171, 13775), (9595, 10295)]