129629920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{115741}}^1$

素因数の和:115763

約数の個数: 48

約数和(自身を含む): 350003808

約数和(自身を除く): 220373888

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, 115741, 231482, 462964, 578705, 810187, 925928, 1157410, 1620374, 1851856, 2314820, 3240748, 3703712, 4050935, 4629640, 6481496, 8101870, 9259280, 12962992, 16203740, 18518560, 25925984, 32407480, 64814960, 129629920]

約数ペア:

[(1, 129629920), (2, 64814960), (4, 32407480), (5, 25925984), (7, 18518560), (8, 16203740), (10, 12962992), (14, 9259280), (16, 8101870), (20, 6481496), (28, 4629640), (32, 4050935), (35, 3703712), (40, 3240748), (56, 2314820), (70, 1851856), (80, 1620374), (112, 1157410), (140, 925928), (160, 810187), (224, 578705), (280, 462964), (560, 231482), (1120, 115741)]