219999950

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{523}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 421044480

約数和(自身を除く): 201044530

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 179, 235, 358, 470, 523, 895, 1046, 1175, 1790, 2350, 2615, 4475, 5230, 8413, 8950, 13075, 16826, 24581, 26150, 42065, 49162, 84130, 93617, 122905, 187234, 210325, 245810, 420650, 468085, 614525, 936170, 1229050, 2340425, 4399999, 4680850, 8799998, 21999995, 43999990, 109999975, 219999950]

約数ペア:

[(1, 219999950), (2, 109999975), (5, 43999990), (10, 21999995), (25, 8799998), (47, 4680850), (50, 4399999), (94, 2340425), (179, 1229050), (235, 936170), (358, 614525), (470, 468085), (523, 420650), (895, 245810), (1046, 210325), (1175, 187234), (1790, 122905), (2350, 93617), (2615, 84130), (4475, 49162), (5230, 42065), (8413, 26150), (8950, 24581), (13075, 16826)]