287829920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{36713}}^1$

素因数の和:36742

約数の個数: 72

約数和(自身を含む): 791039844

約数和(自身を除く): 503209924

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 36713, 73426, 146852, 183565, 256991, 293704, 367130, 513982, 587408, 734260, 1027964, 1174816, 1284955, 1468520, 1798937, 2055928, 2569910, 2937040, 3597874, 4111856, 5139820, 5874080, 7195748, 8223712, 8994685, 10279640, 14391496, 17989370, 20559280, 28782992, 35978740, 41118560, 57565984, 71957480, 143914960, 287829920]

約数ペア:

[(1, 287829920), (2, 143914960), (4, 71957480), (5, 57565984), (7, 41118560), (8, 35978740), (10, 28782992), (14, 20559280), (16, 17989370), (20, 14391496), (28, 10279640), (32, 8994685), (35, 8223712), (40, 7195748), (49, 5874080), (56, 5139820), (70, 4111856), (80, 3597874), (98, 2937040), (112, 2569910), (140, 2055928), (160, 1798937), (196, 1468520), (224, 1284955), (245, 1174816), (280, 1027964), (392, 734260), (490, 587408), (560, 513982), (784, 367130), (980, 293704), (1120, 256991), (1568, 183565), (1960, 146852), (3920, 73426), (7840, 36713)]