19642700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2551}}^1$

素因数の和:2583

約数の個数: 72

約数和(自身を含む): 53163264

約数和(自身を除く): 33520564

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2551, 3850, 5102, 7700, 10204, 12755, 17857, 25510, 28061, 35714, 51020, 56122, 63775, 71428, 89285, 112244, 127550, 140305, 178570, 196427, 255100, 280610, 357140, 392854, 446425, 561220, 701525, 785708, 892850, 982135, 1403050, 1785700, 1964270, 2806100, 3928540, 4910675, 9821350, 19642700]

約数ペア:

[(1, 19642700), (2, 9821350), (4, 4910675), (5, 3928540), (7, 2806100), (10, 1964270), (11, 1785700), (14, 1403050), (20, 982135), (22, 892850), (25, 785708), (28, 701525), (35, 561220), (44, 446425), (50, 392854), (55, 357140), (70, 280610), (77, 255100), (100, 196427), (110, 178570), (140, 140305), (154, 127550), (175, 112244), (220, 89285), (275, 71428), (308, 63775), (350, 56122), (385, 51020), (550, 35714), (700, 28061), (770, 25510), (1100, 17857), (1540, 12755), (1925, 10204), (2551, 7700), (3850, 5102)]