243397140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{579517}}^1$

素因数の和:579536

約数の個数: 48

約数和(自身を含む): 778872192

約数和(自身を除く): 535475052

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, 579517, 1159034, 1738551, 2318068, 2897585, 3477102, 4056619, 5795170, 6954204, 8113238, 8692755, 11590340, 12169857, 16226476, 17385510, 20283095, 24339714, 34771020, 40566190, 48679428, 60849285, 81132380, 121698570, 243397140]

約数ペア:

[(1, 243397140), (2, 121698570), (3, 81132380), (4, 60849285), (5, 48679428), (6, 40566190), (7, 34771020), (10, 24339714), (12, 20283095), (14, 17385510), (15, 16226476), (20, 12169857), (21, 11590340), (28, 8692755), (30, 8113238), (35, 6954204), (42, 5795170), (60, 4056619), (70, 3477102), (84, 2897585), (105, 2318068), (140, 1738551), (210, 1159034), (420, 579517)]