212453920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{189691}}^1$

素因数の和:189713

約数の個数: 48

約数和(自身を含む): 573628608

約数和(自身を除く): 361174688

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, 189691, 379382, 758764, 948455, 1327837, 1517528, 1896910, 2655674, 3035056, 3793820, 5311348, 6070112, 6639185, 7587640, 10622696, 13278370, 15175280, 21245392, 26556740, 30350560, 42490784, 53113480, 106226960, 212453920]

約数ペア:

[(1, 212453920), (2, 106226960), (4, 53113480), (5, 42490784), (7, 30350560), (8, 26556740), (10, 21245392), (14, 15175280), (16, 13278370), (20, 10622696), (28, 7587640), (32, 6639185), (35, 6070112), (40, 5311348), (56, 3793820), (70, 3035056), (80, 2655674), (112, 1896910), (140, 1517528), (160, 1327837), (224, 948455), (280, 758764), (560, 379382), (1120, 189691)]