19741120

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1259}}^1$

素因数の和:1290

約数の個数: 84

約数和(自身を含む): 54726840

約数和(自身を除く): 34985720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1259, 1568, 1960, 2240, 2518, 3136, 3920, 5036, 6295, 7840, 8813, 10072, 12590, 15680, 17626, 20144, 25180, 35252, 40288, 44065, 50360, 61691, 70504, 80576, 88130, 100720, 123382, 141008, 176260, 201440, 246764, 282016, 308455, 352520, 402880, 493528, 564032, 616910, 705040, 987056, 1233820, 1410080, 1974112, 2467640, 2820160, 3948224, 4935280, 9870560, 19741120]

約数ペア:

[(1, 19741120), (2, 9870560), (4, 4935280), (5, 3948224), (7, 2820160), (8, 2467640), (10, 1974112), (14, 1410080), (16, 1233820), (20, 987056), (28, 705040), (32, 616910), (35, 564032), (40, 493528), (49, 402880), (56, 352520), (64, 308455), (70, 282016), (80, 246764), (98, 201440), (112, 176260), (140, 141008), (160, 123382), (196, 100720), (224, 88130), (245, 80576), (280, 70504), (320, 61691), (392, 50360), (448, 44065), (490, 40288), (560, 35252), (784, 25180), (980, 20144), (1120, 17626), (1259, 15680), (1568, 12590), (1960, 10072), (2240, 8813), (2518, 7840), (3136, 6295), (3920, 5036)]