219345475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 299980800

約数和(自身を除く): 80635325

約数列:

[1, 5, 17, 25, 47, 79, 85, 139, 235, 395, 425, 695, 799, 1175, 1343, 1975, 2363, 3475, 3713, 3995, 6533, 6715, 10981, 11815, 18565, 19975, 32665, 33575, 54905, 59075, 63121, 92825, 111061, 163325, 186677, 274525, 315605, 516107, 555305, 933385, 1578025, 2580535, 2776525, 4666925, 8773819, 12902675, 43869095, 219345475]

約数ペア:

[(1, 219345475), (5, 43869095), (17, 12902675), (25, 8773819), (47, 4666925), (79, 2776525), (85, 2580535), (139, 1578025), (235, 933385), (395, 555305), (425, 516107), (695, 315605), (799, 274525), (1175, 186677), (1343, 163325), (1975, 111061), (2363, 92825), (3475, 63121), (3713, 59075), (3995, 54905), (6533, 33575), (6715, 32665), (10981, 19975), (11815, 18565)]