142499525

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2521}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 225164160

約数和(自身を除く): 82664635

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 175, 323, 425, 475, 595, 665, 1615, 2261, 2521, 2975, 3325, 8075, 11305, 12605, 17647, 42857, 47899, 56525, 63025, 88235, 214285, 239495, 299999, 335293, 441175, 814283, 1071425, 1197475, 1499995, 1676465, 4071415, 5699981, 7499975, 8382325, 20357075, 28499905, 142499525]

約数ペア:

[(1, 142499525), (5, 28499905), (7, 20357075), (17, 8382325), (19, 7499975), (25, 5699981), (35, 4071415), (85, 1676465), (95, 1499995), (119, 1197475), (133, 1071425), (175, 814283), (323, 441175), (425, 335293), (475, 299999), (595, 239495), (665, 214285), (1615, 88235), (2261, 63025), (2521, 56525), (2975, 47899), (3325, 42857), (8075, 17647), (11305, 12605)]