18874100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 47705280

約数和(自身を除く): 28831180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 59, 70, 100, 118, 140, 175, 236, 295, 350, 413, 457, 590, 700, 826, 914, 1180, 1475, 1652, 1828, 2065, 2285, 2950, 3199, 4130, 4570, 5900, 6398, 8260, 9140, 10325, 11425, 12796, 15995, 20650, 22850, 26963, 31990, 41300, 45700, 53926, 63980, 79975, 107852, 134815, 159950, 188741, 269630, 319900, 377482, 539260, 674075, 754964, 943705, 1348150, 1887410, 2696300, 3774820, 4718525, 9437050, 18874100]

約数ペア:

[(1, 18874100), (2, 9437050), (4, 4718525), (5, 3774820), (7, 2696300), (10, 1887410), (14, 1348150), (20, 943705), (25, 754964), (28, 674075), (35, 539260), (50, 377482), (59, 319900), (70, 269630), (100, 188741), (118, 159950), (140, 134815), (175, 107852), (236, 79975), (295, 63980), (350, 53926), (413, 45700), (457, 41300), (590, 31990), (700, 26963), (826, 22850), (914, 20650), (1180, 15995), (1475, 12796), (1652, 11425), (1828, 10325), (2065, 9140), (2285, 8260), (2950, 6398), (3199, 5900), (4130, 4570)]