7420075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 10659040

約数和(自身を除く): 3238965

約数列:

[1, 5, 13, 17, 25, 65, 79, 85, 221, 289, 325, 395, 425, 1027, 1105, 1343, 1445, 1975, 3757, 5135, 5525, 6715, 7225, 17459, 18785, 22831, 25675, 33575, 87295, 93925, 114155, 296803, 436475, 570775, 1484015, 7420075]

約数ペア:

[(1, 7420075), (5, 1484015), (13, 570775), (17, 436475), (25, 296803), (65, 114155), (79, 93925), (85, 87295), (221, 33575), (289, 25675), (325, 22831), (395, 18785), (425, 17459), (1027, 7225), (1105, 6715), (1343, 5525), (1445, 5135), (1975, 3757)]