197067440

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{6143}}^1$

素因数の和:6557

約数の個数: 40

約数和(自身を含む): 459399168

約数和(自身を除く): 262331728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 3208, 4010, 6143, 6416, 8020, 12286, 16040, 24572, 30715, 32080, 49144, 61430, 98288, 122860, 245720, 491440, 2463343, 4926686, 9853372, 12316715, 19706744, 24633430, 39413488, 49266860, 98533720, 197067440]

約数ペア:

[(1, 197067440), (2, 98533720), (4, 49266860), (5, 39413488), (8, 24633430), (10, 19706744), (16, 12316715), (20, 9853372), (40, 4926686), (80, 2463343), (401, 491440), (802, 245720), (1604, 122860), (2005, 98288), (3208, 61430), (4010, 49144), (6143, 32080), (6416, 30715), (8020, 24572), (12286, 16040)]