207943880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{77591}}^1$

素因数の和:77669

約数の個数: 32

約数和(自身を含む): 474863040

約数和(自身を除く): 266919160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 77591, 155182, 310364, 387955, 620728, 775910, 1551820, 3103640, 5198597, 10397194, 20794388, 25992985, 41588776, 51985970, 103971940, 207943880]

約数ペア:

[(1, 207943880), (2, 103971940), (4, 51985970), (5, 41588776), (8, 25992985), (10, 20794388), (20, 10397194), (40, 5198597), (67, 3103640), (134, 1551820), (268, 775910), (335, 620728), (536, 387955), (670, 310364), (1340, 155182), (2680, 77591)]