69439775

素因数分解:

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

素因数の和:200

約数の個数: 36

約数和(自身を含む): 95101800

約数和(自身を除く): 25662025

約数列:

[1, 5, 19, 25, 29, 71, 95, 145, 355, 475, 551, 725, 1349, 1775, 2059, 2755, 5041, 6745, 10295, 13775, 25205, 33725, 39121, 51475, 95779, 126025, 146189, 195605, 478895, 730945, 978025, 2394475, 2777591, 3654725, 13887955, 69439775]

約数ペア:

[(1, 69439775), (5, 13887955), (19, 3654725), (25, 2777591), (29, 2394475), (71, 978025), (95, 730945), (145, 478895), (355, 195605), (475, 146189), (551, 126025), (725, 95779), (1349, 51475), (1775, 39121), (2059, 33725), (2755, 25205), (5041, 13775), (6745, 10295)]