218393700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{103997}}^1$

素因数の和:104021

約数の個数: 72

約数和(自身を含む): 722162112

約数和(自身を除く): 503768412

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, 103997, 207994, 311991, 415988, 519985, 623982, 727979, 1039970, 1247964, 1455958, 1559955, 2079940, 2183937, 2599925, 2911916, 3119910, 3639895, 4367874, 5199850, 6239820, 7279790, 7799775, 8735748, 10399700, 10919685, 14559580, 15599550, 18199475, 21839370, 31199100, 36398950, 43678740, 54598425, 72797900, 109196850, 218393700]

約数ペア:

[(1, 218393700), (2, 109196850), (3, 72797900), (4, 54598425), (5, 43678740), (6, 36398950), (7, 31199100), (10, 21839370), (12, 18199475), (14, 15599550), (15, 14559580), (20, 10919685), (21, 10399700), (25, 8735748), (28, 7799775), (30, 7279790), (35, 6239820), (42, 5199850), (50, 4367874), (60, 3639895), (70, 3119910), (75, 2911916), (84, 2599925), (100, 2183937), (105, 2079940), (140, 1559955), (150, 1455958), (175, 1247964), (210, 1039970), (300, 727979), (350, 623982), (420, 519985), (525, 415988), (700, 311991), (1050, 207994), (2100, 103997)]