38978800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13921}}^1$

素因数の和:13946

約数の個数: 60

約数和(自身を含む): 107032336

約数和(自身を除く): 68053536

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, 13921, 27842, 55684, 69605, 97447, 111368, 139210, 194894, 222736, 278420, 348025, 389788, 487235, 556840, 696050, 779576, 974470, 1113680, 1392100, 1559152, 1948940, 2436175, 2784200, 3897880, 4872350, 5568400, 7795760, 9744700, 19489400, 38978800]

約数ペア:

[(1, 38978800), (2, 19489400), (4, 9744700), (5, 7795760), (7, 5568400), (8, 4872350), (10, 3897880), (14, 2784200), (16, 2436175), (20, 1948940), (25, 1559152), (28, 1392100), (35, 1113680), (40, 974470), (50, 779576), (56, 696050), (70, 556840), (80, 487235), (100, 389788), (112, 348025), (140, 278420), (175, 222736), (200, 194894), (280, 139210), (350, 111368), (400, 97447), (560, 69605), (700, 55684), (1400, 27842), (2800, 13921)]