29705975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 40845600

約数和(自身を除く): 11139625

約数列:

[1, 5, 13, 25, 65, 79, 89, 169, 325, 395, 445, 845, 1027, 1157, 1975, 2225, 4225, 5135, 5785, 7031, 13351, 15041, 25675, 28925, 35155, 66755, 75205, 91403, 175775, 333775, 376025, 457015, 1188239, 2285075, 5941195, 29705975]

約数ペア:

[(1, 29705975), (5, 5941195), (13, 2285075), (25, 1188239), (65, 457015), (79, 376025), (89, 333775), (169, 175775), (325, 91403), (395, 75205), (445, 66755), (845, 35155), (1027, 28925), (1157, 25675), (1975, 15041), (2225, 13351), (4225, 7031), (5135, 5785)]