78122800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{27901}}^1$

素因数の和:27926

約数の個数: 60

約数和(自身を含む): 214510576

約数和(自身を除く): 136387776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 27901, 55802, 111604, 139505, 195307, 223208, 279010, 390614, 446416, 558020, 697525, 781228, 976535, 1116040, 1395050, 1562456, 1953070, 2232080, 2790100, 3124912, 3906140, 4882675, 5580200, 7812280, 9765350, 11160400, 15624560, 19530700, 39061400, 78122800]

約数ペア:

[(1, 78122800), (2, 39061400), (4, 19530700), (5, 15624560), (7, 11160400), (8, 9765350), (10, 7812280), (14, 5580200), (16, 4882675), (20, 3906140), (25, 3124912), (28, 2790100), (35, 2232080), (40, 1953070), (50, 1562456), (56, 1395050), (70, 1116040), (80, 976535), (100, 781228), (112, 697525), (140, 558020), (175, 446416), (200, 390614), (280, 279010), (350, 223208), (400, 195307), (560, 139505), (700, 111604), (1400, 55802), (2800, 27901)]