78671600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{28097}}^1$

素因数の和:28122

約数の個数: 60

約数和(自身を含む): 216017424

約数和(自身を除く): 137345824

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, 28097, 56194, 112388, 140485, 196679, 224776, 280970, 393358, 449552, 561940, 702425, 786716, 983395, 1123880, 1404850, 1573432, 1966790, 2247760, 2809700, 3146864, 3933580, 4916975, 5619400, 7867160, 9833950, 11238800, 15734320, 19667900, 39335800, 78671600]

約数ペア:

[(1, 78671600), (2, 39335800), (4, 19667900), (5, 15734320), (7, 11238800), (8, 9833950), (10, 7867160), (14, 5619400), (16, 4916975), (20, 3933580), (25, 3146864), (28, 2809700), (35, 2247760), (40, 1966790), (50, 1573432), (56, 1404850), (70, 1123880), (80, 983395), (100, 786716), (112, 702425), (140, 561940), (175, 449552), (200, 393358), (280, 280970), (350, 224776), (400, 196679), (560, 140485), (700, 112388), (1400, 56194), (2800, 28097)]