231531760

素因数分解:

$2^4\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{2591}}^1$

素因数の和:3721

約数の個数: 40

約数和(自身を含む): 539001216

約数和(自身を除く): 307469456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1117, 2234, 2591, 4468, 5182, 5585, 8936, 10364, 11170, 12955, 17872, 20728, 22340, 25910, 41456, 44680, 51820, 89360, 103640, 207280, 2894147, 5788294, 11576588, 14470735, 23153176, 28941470, 46306352, 57882940, 115765880, 231531760]

約数ペア:

[(1, 231531760), (2, 115765880), (4, 57882940), (5, 46306352), (8, 28941470), (10, 23153176), (16, 14470735), (20, 11576588), (40, 5788294), (80, 2894147), (1117, 207280), (2234, 103640), (2591, 89360), (4468, 51820), (5182, 44680), (5585, 41456), (8936, 25910), (10364, 22340), (11170, 20728), (12955, 17872)]