221042080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{197359}}^1$

素因数の和:197381

約数の個数: 48

約数和(自身を含む): 596816640

約数和(自身を除く): 375774560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 197359, 394718, 789436, 986795, 1381513, 1578872, 1973590, 2763026, 3157744, 3947180, 5526052, 6315488, 6907565, 7894360, 11052104, 13815130, 15788720, 22104208, 27630260, 31577440, 44208416, 55260520, 110521040, 221042080]

約数ペア:

[(1, 221042080), (2, 110521040), (4, 55260520), (5, 44208416), (7, 31577440), (8, 27630260), (10, 22104208), (14, 15788720), (16, 13815130), (20, 11052104), (28, 7894360), (32, 6907565), (35, 6315488), (40, 5526052), (56, 3947180), (70, 3157744), (80, 2763026), (112, 1973590), (140, 1578872), (160, 1381513), (224, 986795), (280, 789436), (560, 394718), (1120, 197359)]