2171320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2857}}^1$

素因数の和:2887

約数の個数: 32

約数和(自身を含む): 5144400

約数和(自身を除く): 2973080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2857, 5714, 11428, 14285, 22856, 28570, 54283, 57140, 108566, 114280, 217132, 271415, 434264, 542830, 1085660, 2171320]

約数ペア:

[(1, 2171320), (2, 1085660), (4, 542830), (5, 434264), (8, 271415), (10, 217132), (19, 114280), (20, 108566), (38, 57140), (40, 54283), (76, 28570), (95, 22856), (152, 14285), (190, 11428), (380, 5714), (760, 2857)]