28184100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13421}}^1$

素因数の和:13445

約数の個数: 72

約数和(自身を含む): 93202368

約数和(自身を除く): 65018268

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, 13421, 26842, 40263, 53684, 67105, 80526, 93947, 134210, 161052, 187894, 201315, 268420, 281841, 335525, 375788, 402630, 469735, 563682, 671050, 805260, 939470, 1006575, 1127364, 1342100, 1409205, 1878940, 2013150, 2348675, 2818410, 4026300, 4697350, 5636820, 7046025, 9394700, 14092050, 28184100]

約数ペア:

[(1, 28184100), (2, 14092050), (3, 9394700), (4, 7046025), (5, 5636820), (6, 4697350), (7, 4026300), (10, 2818410), (12, 2348675), (14, 2013150), (15, 1878940), (20, 1409205), (21, 1342100), (25, 1127364), (28, 1006575), (30, 939470), (35, 805260), (42, 671050), (50, 563682), (60, 469735), (70, 402630), (75, 375788), (84, 335525), (100, 281841), (105, 268420), (140, 201315), (150, 187894), (175, 161052), (210, 134210), (300, 93947), (350, 80526), (420, 67105), (525, 53684), (700, 40263), (1050, 26842), (2100, 13421)]