129319225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 204094080

約数和(自身を除く): 74774855

約数列:

[1, 5, 7, 19, 23, 25, 35, 89, 95, 115, 133, 161, 175, 361, 437, 445, 475, 575, 623, 665, 805, 1691, 1805, 2047, 2185, 2225, 2527, 3059, 3115, 3325, 4025, 8303, 8455, 9025, 10235, 10925, 11837, 12635, 14329, 15295, 15575, 32129, 38893, 41515, 42275, 51175, 58121, 59185, 63175, 71645, 76475, 160645, 194465, 207575, 224903, 272251, 290605, 295925, 358225, 738967, 803225, 972325, 1124515, 1361255, 1453025, 3694835, 5172769, 5622575, 6806275, 18474175, 25863845, 129319225]

約数ペア:

[(1, 129319225), (5, 25863845), (7, 18474175), (19, 6806275), (23, 5622575), (25, 5172769), (35, 3694835), (89, 1453025), (95, 1361255), (115, 1124515), (133, 972325), (161, 803225), (175, 738967), (361, 358225), (437, 295925), (445, 290605), (475, 272251), (575, 224903), (623, 207575), (665, 194465), (805, 160645), (1691, 76475), (1805, 71645), (2047, 63175), (2185, 59185), (2225, 58121), (2527, 51175), (3059, 42275), (3115, 41515), (3325, 38893), (4025, 32129), (8303, 15575), (8455, 15295), (9025, 14329), (10235, 12635), (10925, 11837)]