2153480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7691}}^1$

素因数の和:7709

約数の個数: 32

約数和(自身を含む): 5538240

約数和(自身を除く): 3384760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7691, 15382, 30764, 38455, 53837, 61528, 76910, 107674, 153820, 215348, 269185, 307640, 430696, 538370, 1076740, 2153480]

約数ペア:

[(1, 2153480), (2, 1076740), (4, 538370), (5, 430696), (7, 307640), (8, 269185), (10, 215348), (14, 153820), (20, 107674), (28, 76910), (35, 61528), (40, 53837), (56, 38455), (70, 30764), (140, 15382), (280, 7691)]