511140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1217}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 1636992

約数和(自身を除く): 1125852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1217, 2434, 3651, 4868, 6085, 7302, 8519, 12170, 14604, 17038, 18255, 24340, 25557, 34076, 36510, 42595, 51114, 73020, 85190, 102228, 127785, 170380, 255570, 511140]

約数ペア:

[(1, 511140), (2, 255570), (3, 170380), (4, 127785), (5, 102228), (6, 85190), (7, 73020), (10, 51114), (12, 42595), (14, 36510), (15, 34076), (20, 25557), (21, 24340), (28, 18255), (30, 17038), (35, 14604), (42, 12170), (60, 8519), (70, 7302), (84, 6085), (105, 4868), (140, 3651), (210, 2434), (420, 1217)]