1643634140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{6389}}^1$

素因数の和:7094

約数の個数: 48

約数和(自身を含む): 3639232800

約数和(自身を除く): 1995598660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 677, 1354, 2708, 3385, 6389, 6770, 12778, 12863, 13540, 25556, 25726, 31945, 51452, 63890, 64315, 121391, 127780, 128630, 242782, 257260, 485564, 606955, 1213910, 2427820, 4325353, 8650706, 17301412, 21626765, 43253530, 82181707, 86507060, 164363414, 328726828, 410908535, 821817070, 1643634140]

約数ペア:

[(1, 1643634140), (2, 821817070), (4, 410908535), (5, 328726828), (10, 164363414), (19, 86507060), (20, 82181707), (38, 43253530), (76, 21626765), (95, 17301412), (190, 8650706), (380, 4325353), (677, 2427820), (1354, 1213910), (2708, 606955), (3385, 485564), (6389, 257260), (6770, 242782), (12778, 128630), (12863, 127780), (13540, 121391), (25556, 64315), (25726, 63890), (31945, 51452)]