210865480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{753091}}^1$

素因数の和:753109

約数の個数: 32

約数和(自身を含む): 542226240

約数和(自身を除く): 331360760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 753091, 1506182, 3012364, 3765455, 5271637, 6024728, 7530910, 10543274, 15061820, 21086548, 26358185, 30123640, 42173096, 52716370, 105432740, 210865480]

約数ペア:

[(1, 210865480), (2, 105432740), (4, 52716370), (5, 42173096), (7, 30123640), (8, 26358185), (10, 21086548), (14, 15061820), (20, 10543274), (28, 7530910), (35, 6024728), (40, 5271637), (56, 3765455), (70, 3012364), (140, 1506182), (280, 753091)]