128219700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{61057}}^1$

素因数の和:61081

約数の個数: 72

約数和(自身を含む): 423986752

約数和(自身を除く): 295767052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 61057, 122114, 183171, 244228, 305285, 366342, 427399, 610570, 732684, 854798, 915855, 1221140, 1282197, 1526425, 1709596, 1831710, 2136995, 2564394, 3052850, 3663420, 4273990, 4579275, 5128788, 6105700, 6410985, 8547980, 9158550, 10684975, 12821970, 18317100, 21369950, 25643940, 32054925, 42739900, 64109850, 128219700]

約数ペア:

[(1, 128219700), (2, 64109850), (3, 42739900), (4, 32054925), (5, 25643940), (6, 21369950), (7, 18317100), (10, 12821970), (12, 10684975), (14, 9158550), (15, 8547980), (20, 6410985), (21, 6105700), (25, 5128788), (28, 4579275), (30, 4273990), (35, 3663420), (42, 3052850), (50, 2564394), (60, 2136995), (70, 1831710), (75, 1709596), (84, 1526425), (100, 1282197), (105, 1221140), (140, 915855), (150, 854798), (175, 732684), (210, 610570), (300, 427399), (350, 366342), (420, 305285), (525, 244228), (700, 183171), (1050, 122114), (2100, 61057)]