138290425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 213736320

約数和(自身を除く): 75445895

約数列:

[1, 5, 7, 13, 25, 35, 65, 89, 91, 175, 325, 445, 455, 623, 683, 1157, 2225, 2275, 3115, 3415, 4781, 5785, 8099, 8879, 15575, 17075, 23905, 28925, 40495, 44395, 60787, 62153, 119525, 202475, 221975, 303935, 310765, 425509, 790231, 1519675, 1553825, 2127545, 3951155, 5531617, 10637725, 19755775, 27658085, 138290425]

約数ペア:

[(1, 138290425), (5, 27658085), (7, 19755775), (13, 10637725), (25, 5531617), (35, 3951155), (65, 2127545), (89, 1553825), (91, 1519675), (175, 790231), (325, 425509), (445, 310765), (455, 303935), (623, 221975), (683, 202475), (1157, 119525), (2225, 62153), (2275, 60787), (3115, 44395), (3415, 40495), (4781, 28925), (5785, 23905), (8099, 17075), (8879, 15575)]