189167720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{7591}}^1$

素因数の和:7698

約数の個数: 64

約数和(自身を含む): 491961600

約数和(自身を除く): 302793880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 7591, 12460, 15182, 24920, 30364, 37955, 53137, 60728, 75910, 106274, 151820, 212548, 265685, 303640, 425096, 531370, 675599, 1062740, 1351198, 2125480, 2702396, 3377995, 4729193, 5404792, 6755990, 9458386, 13511980, 18916772, 23645965, 27023960, 37833544, 47291930, 94583860, 189167720]

約数ペア:

[(1, 189167720), (2, 94583860), (4, 47291930), (5, 37833544), (7, 27023960), (8, 23645965), (10, 18916772), (14, 13511980), (20, 9458386), (28, 6755990), (35, 5404792), (40, 4729193), (56, 3377995), (70, 2702396), (89, 2125480), (140, 1351198), (178, 1062740), (280, 675599), (356, 531370), (445, 425096), (623, 303640), (712, 265685), (890, 212548), (1246, 151820), (1780, 106274), (2492, 75910), (3115, 60728), (3560, 53137), (4984, 37955), (6230, 30364), (7591, 24920), (12460, 15182)]