207728525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 289267200

約数和(自身を除く): 81538675

約数列:

[1, 5, 17, 23, 25, 79, 85, 115, 269, 391, 395, 425, 575, 1343, 1345, 1817, 1955, 1975, 4573, 6187, 6715, 6725, 9085, 9775, 21251, 22865, 30889, 30935, 33575, 45425, 105179, 106255, 114325, 154445, 154675, 361267, 488773, 525895, 531275, 772225, 1806335, 2443865, 2629475, 8309141, 9031675, 12219325, 41545705, 207728525]

約数ペア:

[(1, 207728525), (5, 41545705), (17, 12219325), (23, 9031675), (25, 8309141), (79, 2629475), (85, 2443865), (115, 1806335), (269, 772225), (391, 531275), (395, 525895), (425, 488773), (575, 361267), (1343, 154675), (1345, 154445), (1817, 114325), (1955, 106255), (1975, 105179), (4573, 45425), (6187, 33575), (6715, 30935), (6725, 30889), (9085, 22865), (9775, 21251)]