30318775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 42854400

約数和(自身を除く): 12535625

約数列:

[1, 5, 19, 25, 29, 31, 71, 95, 145, 155, 355, 475, 551, 589, 725, 775, 899, 1349, 1775, 2059, 2201, 2755, 2945, 4495, 6745, 10295, 11005, 13775, 14725, 17081, 22475, 33725, 39121, 41819, 51475, 55025, 63829, 85405, 195605, 209095, 319145, 427025, 978025, 1045475, 1212751, 1595725, 6063755, 30318775]

約数ペア:

[(1, 30318775), (5, 6063755), (19, 1595725), (25, 1212751), (29, 1045475), (31, 978025), (71, 427025), (95, 319145), (145, 209095), (155, 195605), (355, 85405), (475, 63829), (551, 55025), (589, 51475), (725, 41819), (775, 39121), (899, 33725), (1349, 22475), (1775, 17081), (2059, 14725), (2201, 13775), (2755, 11005), (2945, 10295), (4495, 6745)]